When evaluating mean differences between...

题目

When evaluating mean differences between two dependent samples, the most appropriate test is a:

选项

A.z-test.

B.chi-square test.

C.paired comparisons test.

答案

C

解析

C is correct. A paired comparisons test is appropriate to test the mean differences of two samples believed to be dependent. C正确。成对数检验适用于检验，被认为是相关的两个样本的均值差异。