一元线性回归分析中,决定系数为0.49,则变量X与Y的相关系数可以是
A.0.49
B.-0.49
C.0.7
D.-0.7
E.无法计算
正确答案是CD
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/647164.html
上一篇:不属于人员素质测评标准体系纵向结构的是( )
下一篇:One of the strongest hurricanes( )was the Florida Keys Storm of 1935, during which 500 people were killed.
One of the strongest hurricanes( )was the Florida Keys Storm of 1935, during which 500 people were killed.