In which of the following scenarios will conducting a paired t-test for means be
ID: 3229804 • Letter: I
Question
In which of the following scenarios will conducting a paired t-test for means be appropriate? CHECK ALL THAT APPLY.
A. To test if the proportion of low-income families is higher than that of high-income families in British Columbia.
B. To test if there is a difference between the mean annual income of husbands and that of their wives in Canada.
C. To test if there is a difference between the mean number of CD4 T cells in healthy patients and patients with cancer.
D. To test if the mean annual income of Ontarians is higher than that of British Columbians.
E. To test if there is a difference between the mean annual income of male British Columbians and that of female British Columbians. F. To test if there is a difference between the mean number of antibodies in patients before surgery and after surgery.
G. None of the above
(It's more than just one)
Explanation / Answer
Paired t - test will be applicable in all such scenarios where the samples are dependent.
Here,
In option B and option F, the samples are dependent because in option B, we are taking a pair of husband - wife and in option F, we are taking same patients before and after surgery.
Hence,
Option B and Option F are the answers.