In which of the following scenarios will conducting a two-sample $t$-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 British Columbians and a known national mean.

C. To test if there is a difference between the proportion of low-income families in British Columbia and a known national proportion.

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 annual income of husbands and that of wives in Canada.

G. None of the above