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对服从双变量正态分布的资料进行简单相关分析,得相关系数为r=0.69,则
分类:
卫生统计学(02867)
发表:2024年08月18日 06时08分21秒
作者:
admin
阅读:
(1)
对服从双变量正态分布的资料进行简单相关分析,得相关系数为r=0.69,则
A、两变量呈线性正相关
B、两变量呈线性负相关
C、两变量尤线性关系
D、需进一步对ρ是否为0作假设检验
【正确答案】:D
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