A golfer would like to test the hypothesis that the variance of his golf score equals 10.0. A random sample of 28 rounds of golf had a sample standard deviation of 3.5. The degrees of freedom for this hypothesis test would be _______.
A)27
B)24
C)25
D)26

Question

Quizplus · Accepted Answer

The degrees of freedom for a variance or standard deviation hypothesis test is calculated as the sample size minus one. Here, with a sample size of 28, the degrees of freedom would be 28 - 1 = 27.

A Golfer Would Like to Test the Hypothesis That the Variance