Which of the following best describes the degrees of freedom for the calculation of variance?
A) (n + 1)
B) 2(n + 1)
C) (n - 1)/n
D) (n - 1)

Question

Quizplus · Accepted Answer

The degrees of freedom for the calculation of variance is (n-1). This is because one degree of freedom is lost in calculating the mean of the sample, leaving only (n-1) degrees of freedom for the calculation of variance.

Which of the Following Best Describes the Degrees of Freedom