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3×3列联表的自由度是
分类:
教育统计与测量(00452)
发表:2024年08月06日 03时08分58秒
作者:
admin
阅读:
(3)
3×3列联表的自由度是
A、4
B、6
C、8
D、9
【正确答案】:A
【题目解析】:[解析] 在3×3列联表X2检验中,X2=163.01,确定P值时,自由度ν=(行数-1)(列数-1)=(3-1)(3-1)=4
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