小样本情况下,当总体服从正态分布,总体方差未知时,总体均值检验的统计量为( )。
考试:=$ecms_gr[fenlei]?>
科目:=$ecms_gr[kemu]?>(在线考试)
问题:
A:A
B:B
C:C
D:D
答案:
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