请在下方输入要搜索的题目：

When we use rank sum test to compare two samples:______.

A、Thesamesamplesizesarerequired;
B、Rankalltheobservationsonebyoneorderlyandomitzero;
C、Rankalltheobservationsonebyoneorderlyandgiveameanranktothesamevalue;
D、It’saparametrictestifthestatisticZiscalculatedwhenthesamplesizesarelargeenough;
E、Noneoftheabove

发布时间：2025-11-10 10:26:02

推荐参考答案 ( 由题搜搜官方老师解答 )

答案：Rank all the observations one by one orderly and give a mean rank to the same value

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