成考院校在线答案
- 2022-09-12 [单选] <p class="MsoNormal">28、<span style="font-size:12.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman"">列联表中的总百分比是每一个观察<span class="GramE">频数除</span>以（ ）。</span><span lang="EN-US" style="mso-bidi-font-size:12.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman""> <o:p></o:p></span></p>
- 2022-09-12 [多选] <p class="MsoNormal" style="mso-pagination:widow-orphan">2、<span style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-font-kerning:0pt">下列说法正确的是<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [多选] <p class="MsoNormal" style="mso-pagination:widow-orphan">10、<span style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-font-kerning:0pt">具有相关关系的是（）<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [判断] <p class="MsoNormal">15、<span style="font-size:12.0pt;font-family:黑体;color:black; mso-font-kerning:0pt">调查时间是指进行调查工作所需的时间<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">16、<span style="mso-bidi-font-size:10.5pt;font-family:黑体;color:black;mso-font-kerning: 0pt">组距数列条件下，众数的大小主要取决于众数组相邻两组次数多少的影响<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [判断] <p class="MsoNormal">20、<span style="font-size:12.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman"">抽样估计置信度就是表明抽样指标和总体指标的误差不超过一定范围的概率保证程度。（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）</span><span lang="EN-US" style="mso-bidi-font-size:12.0pt;font-family:黑体;mso-bidi-font-family:"Times New Roman""> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">39、<span style="font-size:12.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman"">如果相关系数<span lang="EN-US">r=O</span>，则表明两个变量之间（ ）。<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [多选] <p class="MsoNormal" style="mso-pagination:widow-orphan">1、<span style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-bidi-font-family:"Times New Roman"; mso-font-kerning:0pt">相关系数与回归系数<span lang="EN-US">(<span style="mso-spacerun:yes"> </span>)</span>。<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal" style="mso-pagination:widow-orphan"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-bidi-font-family:"Times New Roman"; mso-font-kerning:0pt"> <o:p> </o:p></span></p>
- 2022-09-12 [多选] <p class="MsoNormal" style="mso-pagination:widow-orphan">2、<span style="mso-bidi-font-size:10.5pt;font-family:黑体;color:black;mso-font-kerning: 0pt">抽样估计中的抽样误差（）<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [多选] <p class="MsoNormal">5、<span style="font-family:黑体">在下列哪些情况下，必须计算离散系数来比较两个数列的离散程度大小<span lang="EN-US"> <o:p></o:p></span></span></p>