成考院校在线答案
- 2022-09-12 [多选] <p class="MsoNormal" style="mso-pagination:widow-orphan">4、<span style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-bidi-font-family:"Times New Roman"; mso-font-kerning:0pt">对于时间序列，下列说法正确的有<span lang="EN-US">(<span style="mso-spacerun:yes"> </span>)</span>。<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [多选] <p class="MsoNormal">8、<span style="font-size:12.0pt;font-family:黑体;mso-font-kerning: 0pt">根据分组整理后的数据计算加权均值（）<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [多选] <p class="MsoNormal" style="mso-pagination:widow-orphan">9、<span style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-font-kerning:0pt">统计研究运用各种专门的方法，包括<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [多选] <p class="MsoNormal">9、<span style="font-size:12.0pt;font-family:黑体;mso-font-kerning: 0pt">在假设检验中，若检验结果是接受零假设<span lang="EN-US">H</span>，则下面结论正确的是<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">为了解某县主要农产品生产成本可进行经常性调查。<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [判断] <p class="MsoNormal">12、<span style="font-size:12.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman"">指数的实质是相对数，它能反映现象的变动和差异程度。（<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 [判断] <p class="MsoNormal">19、<span style="font-size:12.0pt;font-family:黑体;color:black; mso-font-kerning:0pt">相关系数越大，估计标准误差值就越大，从而直线回归方程的精确性越低<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt;font-family:黑体; color:black;mso-font-kerning:0pt"> <o:p> </o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal">17、<span style="font-size:12.0pt;font-family:黑体;color:black; mso-font-kerning:0pt">在假设检验中，如果所计算的Р值越小，说明检验结果越不显著。<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">根据分组资料计算的算术平均数，只是一个近似值。<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [判断] <p class="MsoNormal">11、<span style="font-size:12.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman"">由于时点序列和时期序列都是绝对数时间序列，所以，它们的特点是相同的。（<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>