When testing for the significance of the difference between a sample mean and a population mean,degrees of freedom are equal to
A)N - 1.
B)N + 1.
C)alpha.
D)1 - alpha.

Question

Quizplus · Accepted Answer

When testing for the significance of the difference between a sample mean and a population mean, the degrees of freedom are equal to the sample size (N) minus one (N-1). Therefore, the correct choice is A) N-1.

When Testing for the Significance of the Difference Between a Sample