You are working with the same experiment as in Problem.
a. At the 0.05 level of significance, state the decision rule for testing the null hypothesis that all four groups have equal population means.
b. What is your statistical decision?
c. At the 0.05 level of significance, what is the upper-tail critical value from the Studentized range distribution?
d. To perform the Tukey-Kramer procedure, what is the critical range?
Problem
Consider an experiment with four groups, with eight values in each. For the ANOVA summary table below, fill in all the missing results:
Source | Degrees of Freedom | Sum of Squares | Mean Square (Variance) | F |
Among Groups | c – 1 = ? | SSA = ? | MSA = 80 | FSTAT = ? |
Within Groups | n – c = ? | SSW = 560 | MSW = ? |
|
Total | n – 1 = ? | SST = ? |
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