Question: You are given the following sample data: Item Group 1 Group 2 Group 3 Group 4 1 20.9 28.2 17.8 21.2 2 27.2 26.2 15.9

You are given the following sample data:

Item Group 1 Group 2 Group 3 Group 4 1 20.9 28.2 17.8 21.2 2 27.2 26.2 15.9 23.9 3 26.6 21.6 18.4 19.5 4 22.1 29.7 20.2 17.4 5 25.3 30.3 14.1 6 30.1 25.9 7 23.8

a. Based on the computations for the within- and between-sample variation, develop the ANOVA table and test the appropriate null hypothesis using a = 0.05. Use the p-value approach.

b. If warranted, use the Tukey-Kramer procedure to determine which populations have different means.

Use a = 0.05.

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