Use the Following Information for Questions

Multiple Choice

Use the following information for questions:
A study compared grade point averages (GPA) among students in 4 different majors (English, History, Statistics, and Art) using analysis of variance. A total sample size of 20 students (5 in each major) was studied.
-The sum of squares for groups is SS Groups = 60. What is the Mean Square for groups (MS Groups) ?

A) 3
B) 15
C) 20
D) None of the above.