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 12.21

21.

Sample A Sample B Sample C Sample D

12.1.21

(a) (i) SSTR = 395,833.3333 (ii) SSE = 15,748 (iii) SST = 411,581.3333 (iv) (v) (vi) MSTR = 131,944.4444 (vii) MSE = 26.4228

(b)

Source of
variation		 Sum of
squares		 Degrees of
freedom		 Mean
square
Treatments 395,833.3333 3 131,944.4444 4993.5794
Error 15,748 594 26.4228
Total 411,581.3333