The F ratio for a one-way ANOVA is reported to have 5 and 171 degrees of freedom. That means _____ groups were being compared and there were _____ cases included in the analysis.
A) 4 … 176
B) 5 … 171
C) 6 … 177
D) 176 … 4

Question

Quizplus · Accepted Answer

The degrees of freedom for the numerator (between groups) is the number of groups minus one, so 5 + 1 = 6 groups. The degrees of freedom for the denominator (within groups) is the total number of cases minus the number of groups, so 171 + 6 = 177 cases.

The F Ratio for a One-Way ANOVA Is Reported to Have