Question: In a completely randomized design, 7 experimental units were used for each of the three levels of the factor. (20 points) Source of Variation Sum

In a completely randomized design, 7 experimental units were used for each of the three levels of the factor.

(20 points)

Source of Variation Sum of Squares Degrees of Freedom Mean Square F
Treatment
Error 432076.5
Total 675643.3

a. Complete the ANOVA table.

b. Find the critical value at the 0.05 level of significance from the F-table for testing whether the population means for the three levels of the factors are different.

c. Use the critical value approach and = 0.05 to test whether the population means for the three levels of the factors are the same.

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