PPT Slide

Statistical Analysis of 3x3 Factorial Experiment: Case B

Analysis of Variance Summary Table

Source DF SS MS F

Study Method (A) 2 493.26 244.63 27.94

Incentive (B) 2 355.47 177.73 20.14

Interaction (A x B) 4 12.47 3.12 0.35

Within groups (Error) 81 714.90 8.83

Total 89

Critical values: F (2, 81) = 3.15. F (4, 81) = 2.53