Use the following information for questions:
A study compared testosterone levels among athletes in four sports: soccer, track, Lacrosse, and water polo. The total sample size was n =30 (10 soccer, 10 track, 5 Lacrosse, and 5 water polo). A one-way analysis of variance was used to compare the population mean levels for the four sports.
-What are the numerator and denominator degrees of freedom for the F-test?
A) 10 for numerator and 30 for denominator.
B) 3 for numerator and 29 for denominator.
C) 3 for numerator and 26 for denominator.
D) None of the above.

Question

Use the following information for questions:
 A study compared testosterone levels among athletes in four sports: soccer, track, Lacrosse, and water polo. The total sample size was n =30 (10 soccer, 10 track, 5 Lacrosse, and 5 water polo). A one-way analysis of variance was used to compare the population mean levels for the four sports.
-What are the numerator and denominator degrees of freedom for the F-test?
A) 10 for numerator and 30 for denominator.
B) 3 for numerator and 29 for denominator.
C) 3 for numerator and 26 for denominator.
D) None of the above.

Quizplus · Accepted Answer

The numerator degrees of freedom for an F-test in ANOVA is one less than the number of groups, which is 4 - 1 = 3. The denominator degrees of freedom is the total sample size minus the number of groups, which is 30 - 4 = 26.

Use the Following Information for Questions