For Exercises 15–22, do the following for the indicated data.

  1. Calculate the following:
  2. Construct the ANOVA table using the statistics computed in (a).

Question 12.19

19.

Sample A Sample B Sample C

12.1.19

(a) (i) SSTR = 40 (ii) SSE = 12 (iii) SST = 52 (iv) (v) (vi) MSTR = 20 (vii) MSE = 1

(b)

Source of
variation		 Sum of
squares		 Degrees of
freedom		 Mean
square
Treatments 40 2 20 20
Error 12 12 1
Total 52