試題詳解

30. (5%) Which of the following is NOT a reason for conducting the paired-sample T- test?
(A) The sample size is too small
(B) The treatments can be compared with homogeneous subjects
(C) The variation of measurements is too large compared to the variation related to the treatment
(D) The data collected are paired with positive correlations
(E) The subjects differ a lot in terms of their age, gender and ethnic groups