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【兰州大学网院】-医学统计学课程作业第二套
试卷总分:100 得分:100
第1题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>两组有效率比较检验功效的相关因素是</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、检验水准和样本率
B、总体率差别和样本含量
C、样本含量和样本率
D、容许误差和检验水准
正确资料:
第2题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>多个计量资料的比较，当分布类型不清时，应选择的统计方法是</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、方差分析
B、Wilcoxon T检验
C、Kruskal－Wallis H检验
D、u检验
正确资料:
第3题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>若人群中某疾病发生的阳性人数</span><span lang=EN-US
style='font-size:10.5pt'>x</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>服从二项分布，则该人群随机抽取</span><span
lang=EN-US style='font-size:10.5pt'>n</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>个人，阳性人数</span><span lang=EN-US style='font-size:10.5pt'>x</span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>不小于</span><span lang=EN-US
style='font-size:10.5pt'>k</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>人的概率为（）</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、P(k)+P(k+1)+...+P(n)
B、P(k+1)+P(k+2)+...+P(n)
C、P(0)+P(1)+...+P(k)
D、P(0)+P(1)+...+P(k-1)
正确资料:
第4题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>多个样本均数的两两比较，可采用</span><span lang=EN-US
style='font-size:10.5pt'> </span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>。</span><span lang=EN-US
style='font-size:10.5pt'><o:p></o:p></span></p>
A、常规t检验
B、u检验
C、SNK检验
D、F检验
正确资料:
资料来源：谋学网（www.mouxue.com）,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>某医师观察中药雾化吸入剂治疗支气管哮喘的疗效，实验组采用中药水雾化吸入剂治疗，对照组采用水液雾化剂治疗，这属于。</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、安慰剂对照
B、相互对照
C、标准对照
D、实验对照
正确资料:
第6题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>由两样本均数的差别推断两总体均数的差别</span><span
lang=EN-US style='font-size:10.5pt'>, </span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>其差别有统计学意义是指</span><span lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、两样本均数的差别具有实际意义
B、两总体均数的差别具有实际意义
C、有理由认为两样本均数有差别
D、有理由认为两总体均数有差别
正确资料:
第7题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>实验设计中要求严格遵守四个基本原则，其目的是为了</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、便于统计处理
B、严格控制随机误差的影响
C、便于进行试验
D、减少和抵消非实验因素的干扰
正确资料:
第8题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>完全随机设计的两组计量资料（数据呈正态分布）比较时，一般首选</span><span
lang=EN-US style='font-size:10.5pt'><span
style='mso-spacerun:yes'> </span></span><span style='font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>。</span><span lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、配对t检验
B、四格表χ2检验
C、完全随机设计两样本均数比较的t检验
D、完全随机设计两样本资料的秩和检验
正确资料:
第9题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>现有</span><span lang=EN-US
style='font-size:10.5pt'>A</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>、</span><span
lang=EN-US style='font-size:10.5pt'>B</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>两资料，经μ检验得：</span><span lang=EN-US style='font-size:10.5pt'>A</span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>资料检验结果为</span><span lang=EN-US
style='font-size:10.5pt'> <0.01</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>，</span><span lang=EN-US style='font-size:10.5pt'>B</span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>资料的检验结果为</span><span lang=EN-US
style='font-size:10.5pt'>0.01<<0.05</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>，可以认为</span><span style='font-size:10.5pt'> </span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>（</span><span style='font-size:10.5pt'>
</span><span style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:
'Cambria Math';mso-hansi-font-family:'Cambria Math''>）</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、A资料两总体均数差别较B资料大
B、B资料两总体均数差别较A资料大
C、做推断两总体均数有差别时，A资料较B资料犯错误概率更大
D、A资料更有理由推断两总体均数有差别
正确资料:
资料来源：谋学网（www.mouxue.com）,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>用样本推论总体，具有代表性的样本指的是</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、总体中最容易获得的部分个体
B、在总体中随意抽取任意个体
C、挑选总体中的有代表性的部分个体
D、依照随机原则抽取总体中的部分个体
正确资料:
第11题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>比较某地区解放以来三种病的发病率在各年度的发展趋势，宜绘制（</span><span
style='font-size:10.5pt'> </span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>）</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、普通线图
B、百分条图
C、半对数线图
D、圆图
正确资料:
资料来源：谋学网（www.mouxue.com）,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>方差分析的应用条件之一是方差齐性</span><span
lang=EN-US style='font-size:10.5pt'>,</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>它是指</span><span lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、各比较组相应的样本方差相等
B、各比较组相应的总体方差相等
C、组内方差=组间方差
D、总方差=各组方差之和
正确资料:
第13题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>抽签的方法属于</span><span lang=EN-US
style='font-size:10.5pt'><o:p></o:p></span></p>
A、分层抽样
B、系统抽样
C、整群抽样
D、单纯随机抽样
正确资料:
第14题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>配对计数资料的相关性分析中，</span><span lang=EN-US
style='font-size:10.5pt'>b + c</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>＜</span><span lang=EN-US style='font-size:10.5pt'>40</span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>时</span><span lang=EN-US
style='font-size:10.5pt'>, </span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>应采用</span><span
lang=EN-US style='font-size:10.5pt'><span
style='mso-spacerun:yes'> </span></span><span style='font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>。</span><span lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、精确概率法
B、校正χ2检验
C、不校正χ2检验
D、尚不能决定采用何法
正确资料:
资料来源：谋学网（www.mouxue.com）,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>两样本比较的秩和检验</span><span lang=EN-US
style='font-size:10.5pt'>,</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>如果样本含量一定</span><span
lang=EN-US style='font-size:10.5pt'>,</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>两组秩和的差别越大说明</span><span lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、两总体的差别越大
B、两总体的差别越小
C、两样本的差别可能越大
D、越有理由说明两总体有差别
正确资料:
第16题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>某指标的均数为</span><span lang=EN-US
style='font-size:10.5pt'><img style='vertical-align:text-bottom' src='http://otsstatic.chinaedu.net/ots/lzu/quesimages/413/20150702171033/yxtjx/image002.gif'/></span><span style='font-size:10.5pt;font-family:宋体;
mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>，标准差为</span><span
lang=EN-US style='font-size:10.5pt'>S</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>，由公式（</span><span lang=EN-US style='font-size:10.5pt'><img style='vertical-align:text-bottom' src='http://otsstatic.chinaedu.net/ots/lzu/quesimages/413/20150702171033/yxtjx/image002.gif'/>-1.96S</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>，</span><span
lang=EN-US style='font-size:10.5pt'><img style='vertical-align:text-bottom' src='http://otsstatic.chinaedu.net/ots/lzu/quesimages/413/20150702171033/yxtjx/image002.gif'/>+1.96S</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>）计算出来的区间，常称为（</span><span
style='font-size:10.5pt'> </span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>）</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、99%参考值范围
B、95%参考值范围
C、99%可信区间
D、95%可信区间
正确资料:
第17题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>若分析肺活量和身高之间的数量关系，拟用身高值预测肺活量值，则采用</span><span
lang=EN-US style='font-size:10.5pt'> <span
style='mso-spacerun:yes'> </span></span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>。</span><span lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、相关分析
B、秩相关分析
C、直线回归分析
D、多元回归分析
正确资料:
第18题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>四个样本均数经方差分析后，</span><span lang=EN-US
style='font-size:10.5pt'><0.05,</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>为进一步弄清四个均数彼此之间有无差别，须进行（</span><span style='font-size:10.5pt'>
</span><span style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:
'Cambria Math';mso-hansi-font-family:'Cambria Math''>）</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、χ2检验
B、q检验
C、u检验
D、t检验
正确资料:
第19题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>在两均数μ检验中，其无效假设为（</span><span
style='font-size:10.5pt'> </span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>）</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、两个总体均数不同
B、两个样本均数不同
C、两个总体均数相同
D、两个样本均数相同
正确资料:
资料来源：谋学网（www.mouxue.com）,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>制作频数分布表时，分组数目一般取（</span><span
lang=EN-US style='font-size:10.5pt'><span
style='mso-spacerun:yes'> </span></span><span style='font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>）组</span><span lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、5-10
B、8-15
C、10-30
D、越多越好
正确资料:
第21题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>在绘制任何图形时，纵坐标的起始刻度必须为"</span><span
lang=EN-US style='font-size:10.5pt'>0</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>"</span><span lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
√、对
×、错
正确资料:×
第22题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>同一资料的标准误一定小于标准差。</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
√、对
×、错
正确资料:√
第23题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>进行三个率差别的χ</span><span lang=EN-US
style='font-size:10.5pt'>2</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>检验，当</span><span
lang=EN-US style='font-size:10.5pt'></span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>＜</span><span lang=EN-US style='font-size:10.5pt'>0.05</span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>时，可认为各样本率之间总的来说有差别，但不能说明彼此之间都有差别。</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
√、对
×、错
正确资料:×
第24题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>假定变量</span><span lang=EN-US
style='font-size:10.5pt'>X</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>与</span><span
lang=EN-US style='font-size:10.5pt'>Y</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>的相关系数</span><span lang=EN-US style='font-size:10.5pt'>r1</span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>是</span><span lang=EN-US
style='font-size:10.5pt'>0.8</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>，</span><span
lang=EN-US style='font-size:10.5pt'>1</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>＜</span><span lang=EN-US style='font-size:10.5pt'>0.05</span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>；变量</span><span lang=EN-US
style='font-size:10.5pt'>M</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>与</span><span
lang=EN-US style='font-size:10.5pt'>N</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>的相关系数</span><span lang=EN-US style='font-size:10.5pt'>r2</span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>为－</span><span lang=EN-US
style='font-size:10.5pt'>0.9</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>，</span><span
lang=EN-US style='font-size:10.5pt'>2</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>＜</span><span lang=EN-US style='font-size:10.5pt'>0.05</span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>，则</span><span lang=EN-US
style='font-size:10.5pt'>X</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>与</span><span
lang=EN-US style='font-size:10.5pt'>Y</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>的相关密切程度较高。</span><span lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
√、对
×、错
正确资料:×
资料来源：谋学网（www.mouxue.com）,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
lang=EN-US style='font-size:10.5pt'>t</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>检验十需注意资料应具备可比性</span><span lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
√、对
×、错
正确资料:√
第26题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>统计工作的步骤正确的是</span><span lang=EN-US
style='font-size:10.5pt'><o:p></o:p></span></p>
A、收集资料、设计、整理资料、分析资料
B、收集资料、整理资料、设计、统计推断
C、设计、收集资料、整理资料、分析资料
D、收集资料、整理资料、核对、分析资料
正确资料:
第27题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
lang=EN-US style='font-size:10.5pt'><span
style='mso-spacerun:yes'> </span></span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>标准正态分布曲线中间</span><span lang=EN-US style='font-size:10.5pt'>95%</span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>的面积所对应的横坐标μ的范围是</span><span
style='font-size:10.5pt'> <span lang=EN-US>( )<o:p></o:p></span></span></p>
A、-1.96～+1.96
B、-∞～+1.96
C、-1.96～+∞
D、-2.58～+2.58
正确资料:
第28题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>两个样本均数比较</span><span lang=EN-US
style='font-size:10.5pt'>t</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>检验</span><span
lang=EN-US style='font-size:10.5pt'>(</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>α＝</span><span lang=EN-US style='font-size:10.5pt'>0.05)</span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>，当</span><span lang=EN-US
style='font-size:10.5pt'>|t|</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>＞</span><span
lang=EN-US style='font-size:10.5pt'>t0.05,(</span><span style='font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>ν</span><span lang=EN-US style='font-size:10.5pt'>)</span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>时</span><span lang=EN-US
style='font-size:10.5pt'>:<o:p></o:p></span></p>
A、接受检验假设
B、接受H0
C、接受无效假设
D、接受备择假设
正确资料:
第29题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>描述正态或近似正态分布资料特征的是</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、中位数、四分位间距
B、均数、标准差
C、中位数、标准差
D、几何均数、全距
正确资料:
资料来源：谋学网（www.mouxue.com）,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
lang=EN-US style='font-size:10.5pt'>F</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>分布、</span><span lang=EN-US style='font-size:10.5pt'>t</span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>分布、</span><span lang=EN-US
style='font-size:10.5pt'>X2</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>分布和正态分布各有几个参数</span><span
style='font-size:10.5pt'> </span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>（</span><span
style='font-size:10.5pt'> </span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>）</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、1，1，1，1
B、2，2，2，2
C、2，1，1，2
D、1，2，2，1
正确资料:
第31题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
lang=EN-US style='font-size:10.5pt'></span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>岁儿童可以用年龄（岁）估计体重（市斤），回归方程为</span><span lang=EN-US
style='font-size:10.5pt'><img style='vertical-align:text-bottom' src='http://otsstatic.chinaedu.net/ots/lzu/quesimages/413/20150702171033/yxtjx/image024.gif'/></span><span style='font-size:10.5pt;font-family:宋体;
mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>，若将体重换成国际单位，则此方程</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、常数项改变
B、回归系数改变
C、常数项和回归系数都改变
D、常数项和回归系数都不改变
正确资料:
第32题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>两组数据中每个变量值减同一常数后做两个均数差别的假设检验（</span><span
style='font-size:10.5pt'> </span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>）</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、t值不变
B、t值变小
C、t值变大
D、t值变小或变大
正确资料:
第33题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>以下统计分析方法中，不属于参数统计分析方法的是</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、t检验
B、均数的区间估计
C、方差分析
D、Spearman相关
正确资料:
第34题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>确定某指标的医学参考值范围时，其正常人是指（</span><span
style='font-size:10.5pt'> </span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>）</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
lang=EN-US style='font-size:10.5pt'><o:p> </o:p></span></p>
A、从未患过病的人
B、只换过小病但不影响被研究指标的人
C、健康状况良好的人
D、排除影响被研究指标的疾病或因素的人
正确资料:
第35题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>两个样本均数比较</span><span lang=EN-US
style='font-size:10.5pt'>t</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>检验，分别取以下检验水准，其中第二类</span><span
style='font-size:10.5pt'> </span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>错误最小的是</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、α＝0.05
B、α＝0.2
C、α＝0.1
D、α＝0.01
正确资料:
第36题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>对相关系数的显著性检验，无效假设</span><span
lang=EN-US style='font-size:10.5pt'>H0</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>是</span><span lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、H0:r=0
B、H0:ρ=0
C、H0:b=0
D、H0:β=0
正确资料:
第37题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>从甲、乙两文中，查到同类研究的两个率比较的</span><span
lang=EN-US style='font-size:10.5pt'><img style='vertical-align:text-bottom' src='http://otsstatic.chinaedu.net/ots/lzu/quesimages/413/20150702171033/yxtjx/image014.gif'/></span><span style='font-size:10.5pt;font-family:宋体;
mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>检验，甲文</span><span
lang=EN-US style='font-size:10.5pt'><img style='vertical-align:text-bottom' src='http://otsstatic.chinaedu.net/ots/lzu/quesimages/413/20150702171033/yxtjx/image016.gif'/></span><span style='font-size:10.5pt;font-family:宋体;
mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>，乙文</span><span
lang=EN-US style='font-size:10.5pt'><img style='vertical-align:text-bottom' src='http://otsstatic.chinaedu.net/ots/lzu/quesimages/413/20150702171033/yxtjx/image018.gif'/></span><span style='font-size:10.5pt;font-family:宋体;
mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>，可认为</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、两文结果有矛盾
B、两文结果完全相同
C、甲文结果更为可信
D、乙文结果更为可信
正确资料:
第38题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>一组变量的标准差将（</span><span
style='font-size:10.5pt'> </span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>）。</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、随变量值的个数n 的增大而增大
B、随变量值的个数n 的增加而减小
C、随变量值之间的变异增大而增大
D、随系统误差的减小而减小
正确资料:
第39题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>进行四组样本率比较的</span><span lang=EN-US
style='font-size:10.5pt'><img style='vertical-align:text-bottom' src='http://otsstatic.chinaedu.net/ots/lzu/quesimages/413/20150702171033/yxtjx/image010.gif'/></span><span style='font-size:10.5pt;font-family:宋体;
mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>检验，如</span><span
lang=EN-US style='font-size:10.5pt'><img style='vertical-align:text-bottom' src='http://otsstatic.chinaedu.net/ots/lzu/quesimages/413/20150702171033/yxtjx/image012.gif'/></span><span style='font-size:10.5pt;font-family:宋体;
mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>，可认为</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、四组样本率均不相同
B、四组总体率均不相同
C、至少有两组样本率不相同
D、至少有两组总体率不相同
正确资料:
第40题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>回归系数的最小二乘估计使其平方和最小的是</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、各点到X均数直线的横向距离
B、各点到X轴的横向距离
C、各点到回归直线的垂直距离
D、各点到Y均数直线的垂直距离
正确资料:
第41题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>描述偏态分布资料特征的是</span><span lang=EN-US
style='font-size:10.5pt'><o:p></o:p></span></p>
A、中位数、四分位间距
B、均数、标准差
C、中位数、标准差
D、几何均数、全距
正确资料:
第42题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>对成倍增长的计量资料描绘其集中趋势，宜用（</span><span
style='font-size:10.5pt'> </span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>）。</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、算术均数
B、几何均数
C、中位数
D、方差
正确资料:
第43题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>下列哪个公式可用于估计医学</span><span lang=EN-US
style='font-size:10.5pt'>95</span><span style='font-size:10.5pt;font-family:
宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:'Cambria Math''>％正常值范围</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
A、X±1.96S
B、X±1.96SX
C、μ±1.96SX
D、μ±t0.05,υSX
正确资料:
第44题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>重复原则是指少选择样本例数。</span><span lang=EN-US
style='font-size:10.5pt'><o:p></o:p></span></p>
√、对
×、错
正确资料:
第45题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>实验设计中，估计样本含量应该在经济允许条件下，越多越好。</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
√、对
×、错
正确资料:
第46题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>对于完全随机设计资料的方差分析，组间均方肯定大于等于组内均方，</span><span
lang=EN-US style='font-size:10.5pt'><span style='mso-spacerun:yes'>
</span></span><span style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:
'Cambria Math';mso-hansi-font-family:'Cambria Math''>即</span><span
lang=EN-US style='font-size:10.5pt'>F</span><span style='font-size:10.5pt;
font-family:宋体;mso-ascii-font-family:'Cambria Math';mso-hansi-font-family:
'Cambria Math''>值不可能小于</span><span lang=EN-US style='font-size:10.5pt'>1</span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>。</span><span lang=EN-US
style='font-size:10.5pt'><o:p></o:p></span></p>
√、对
×、错
正确资料:
第47题,
<p class=MsoNormal align=left style='text-align:left;text-indent:10.5pt;
mso-char-indent-count:1.0;line-height:12.0pt;mso-pagination:widow-orphan'><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:'Cambria Math';
mso-hansi-font-family:'Cambria Math''>反映一组等比资料集中趋势的指标，宜用几何均数。</span><span
lang=EN-US style='font-size:10.5pt'><o:p></o:p></span></p>
√、对
×、错
正确资料:
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