Question: The analysis of variance F-test in Exercise 11.17 (and data set EX1117) determined that there was indeed a difference in the average cost of lumber

The analysis of variance F-test in Exercise 11.17 (and data set EX1117) determined that there was indeed a difference in the average cost of lumber for the four states. The following information from Exercise 11.17 is given in the table:

Use Tukey's method for paired comparisons to determine which means differ significantly from the others at the a = .01 level.

Sample Means x1=262.21 MSE X2= 234.81 Error df: X3 251.6 ni: =2686 | k: 41.25 16

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