For an independent-measures ANOVA comparing three treatments with a sample of n = 5 in each treatment,what is the critical value for the F-ratio using α = .05?
A)3.88
B)3.49
C)3.74
D)3.34

Question

For an independent-measures ANOVA comparing three treatments with a sample of n = 5 in each treatment,what is the critical value for the F-ratio using α = .05?​
A)​3.88
B)​3.49
C)​3.74
D)​3.34

Quizplus · Accepted Answer

The critical value for an independent-measures ANOVA with α = .05 and df = (2,12) (numerator df = k - 1, denominator df = N - k) is 3.88. Since there are three treatments with n = 5 in each, the numerator df = 3 - 1 = 2 and the denominator df = 15 - 3 = 12. Therefore, the correct choice is A.

For an Independent-Measures ANOVA Comparing Three Treatments with a Sample