Question: We have

FACTOR B

Level 1 2 3

FACTOR A 1 4.0, 4.2 5.0, 5.2 6.1, 6.3

2 5.6, 5.8 5.0, 5.4 8.8, 9.0

1. Calculate the means
2. The MINITAB ANOVA printout is shown here. Test for interaction at the α = 0.05 level of significance.

Analysis of variance for response.

Source df SS MS F

A 1 0.53777 0.53777 0.11851

B 2 5.02708 2.51334 0.55391

AB 2 13.49334 6.74667 1.48678

Error 6 27.22667 4.53778

Total 11 46.28486

c. Do the results warrant tests of the two factor mean effects?

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Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document