A study compares five groups with 10 observations in each group.An F statistic of 3.75 is reported.What are the degrees of freedom for this F statistic?
A)4 and 45
B)4 and 46
C)5 and 10
D)5 and 50

Question

Quizplus · Accepted Answer

The degrees of freedom for an F statistic in an ANOVA test are calculated as follows: the numerator degrees of freedom is the number of groups minus one (5 - 1 = 4), and the denominator degrees of freedom is the total number of observations minus the number of groups (50 - 5 = 45).

A Study Compares Five Groups with 10 Observations in Each