The t test for the difference between the means of two indep

The t test for the difference between the means of two independent populations assumes that the respective

Select one:

a. populations are approximately normal.

b. sample variances are equal.

c. sample sizes are equal.

d. all of the above.

Solution :

The t test for the difference between the means of two independent populations assumes that the respective .

Population are approximately normal .

Option a) is correct .