成考院校在线答案
- 2024-03-05 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">33、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">假设检验中，如果原假设为真，而根据样本所得到的检验结论是拒绝原假设，则犯了第一类错误（）</span><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
- 2024-03-05 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">34、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">置信度（</span><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"><img width="36" height="20" src="http://wljy.whut.edu.cn:80/uploadfiles/word/tjxyl_bk003.files/tjxyl_bk00316160.png"></span>）反映了总体参数落在某个区间的概率为（<span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"><img width="36" height="20" src="http://wljy.whut.edu.cn:80/uploadfiles/word/tjxyl_bk003.files/tjxyl_bk00316282.png"></span>）（）<span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
- 2024-03-05 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">32、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">如果物价上涨10%，则现在100元钱只值原来的90元了。（）</span><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
- 2024-03-05 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">39、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">统计学是对统计实践活动的经验总结和理论概括。（）</span><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
- 2024-03-05 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan;">7、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">总量指标是用（）表示的。</span><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
- 2024-03-05 [单选] <p class="MsoNormal">8、 <span style="font-family:Microsoft Yahei;font-size:10.5pt;">甲乙两个车间工人日加工零件数的均值和标准差如下:甲车间:</span><span style="font-family:Microsoft Yahei;font-size:10.5pt;"><img alt="" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191204/20191204133016_901.png"></span>=70件,<img alt="" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191204/20191204133853_863.png">=5.6件,乙车间:<span style="font-family:Microsoft Yahei;font-size:10.5pt;"><img alt="" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191204/20191204132636_598.png"></span>=90件,<span style="font-family:Microsoft Yahei;font-size:10.5pt;"><img alt="" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191129/20191129164519_624.png"></span>=6.3件,哪个车间日加工零件的离散程度较大()<span style="font-family:"Times New Roman";font-size:10.5pt;"> </span> </p>
- 2024-03-05 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan;">15、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">假设检验中，如果原假设为真，而根据样本所得到的检验结论是拒绝原假设，则（）。</span><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
- 2024-03-05 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan;">16、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">卫生部部长陈竺指出“十二五”期间，我国主要健康指标目标是：人均期望寿命提高一岁；婴儿死亡率降低到12‰；5岁以下儿童死亡率降低到14‰；孕产妇死亡率降低至十万分之22。其中孕产妇死亡率为（ ）。</span><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
- 2024-03-05 [多选] <p class="MsoNormal" style="mso-pagination:widow-orphan;">21、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">下列指标中属于平均指标的有（）</span><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
- 2024-03-05 [多选] <p class="MsoNormal" style="mso-pagination:widow-orphan;">24、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">下列指标中属于总量指标的有（）</span><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>