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最常用的差异量数为( )。
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最常用的差异量数为( )。
A、全距和平均差
B、全距和四分差
C、标准差和方差
D、平均差和四分差
时间:2021-07-18 00:08
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教育学
专升本
教育研究方法
作业1
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C
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最常用的差异量数为( )。
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