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# Homework Help (STAT)?

A study compared grade point averages (GPA) among students in 4 different majors (English, History, Statistics, and Art) using analysis of variance. A total sample size of 20 students (5 in each major) was studied. What are the numerator and denominator degrees of freedom for the ANOVA F-test?

A) 5 for numerator and 20 for denominator.

B) 4 for numerator and 79 for denominator.

C) 3 for numerator and 16 for denominator.

### 1 Answer

- cidyahLv 79 years agoFavorite Answer
3 for numerator 16 for denominator.

k-1, n-k

n= total number of cases = 20

k = number of groups = 4