The population mean is hypothesized to be 200.The sample mean (x-bar)is 220.The sample size (n)is 25.The sample standard deviation (s)is 15.The degrees of freedom would equal
A)14.
B)24.
C)219.
D)199.
E)Cannot tell from the given information

Question

Quizplus · Accepted Answer

To calculate the degrees of freedom for a t-test, we use the formula: df=n-1, where n is the sample size. Therefore, in this case, df = 25-1 = 24.

The Population Mean Is Hypothesized to Be 200