Answer to Question #136108 in Statistics and Probability for JR

Question #136108

If you have samples of
n 1 equals 18
n1=18 and
n 2 equals 22
n2=22, in performing the pooled-variance t test, how many degrees of freedom do you have?

Expert's answer

"df=n_1+n_2-2"

"18+22-2=38"

Answer: the degrees of freedom are 38

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