For the following data, assuming a between-groups design, determine:

Group 1: 11, 17, 22, 15

Group 2: 21, 15, 16

Group 3: 7, 8, 3, 10, 6, 4

Group 4: 13, 6, 17, 27, 20

a. df_between

b. df_within

c. df_total

d. The critical value, assuming a p value of 0.05

e. The mean for each group and the grand mean

f. The total sum of squares

g. The within-groups sum of squares

h. The between-groups sum of squares