Problem 6-21
Softswift Software Developers
Sub 1 Sub 2 Sub 3 Anova: Single Factor
86 90 89
73 85 82 SUMMARY
69 77 74 Groups Count Sum Average Variance
77 80 70 Sub 1 10 767 76.7 75.5667
86 92 88 Sub 2 10 840 84 63.5556
72 71 66 Sub 3 10 757 75.7 69.3444
88 86 72
67 78 72
65 98 78 ANOVA
84 83 66