试题与答案

统计上可认为() A.两总体均数不同 B.两总体均数相同 C.两样本均数不同 D.两

题型:单项选择题 A1/A2型题

题目:

统计上可认为()

A.两总体均数不同

B.两总体均数相同

C.两样本均数不同

D.两样本均数相同

E.两总体均数相同,两样本均数不同

答案:

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B. above              
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