In the Scheffe test if x bar sub 2 5 for a group size n sub

In the Scheffe test, if x bar sub 2 = 5 for a group size n sub 2 = 7, x bar sub 4 = 11 for a group size n sub 4 = 7, and the within-group variance s sub w ^2 = 14, then the F sub S test value for comparing these two groups is equal to

A) –1.75    B) 12.25    C) 3.50 D) 7.88

Solution

After completing the answer is 7.88