Asked by Student
If we are testing for the difference between the means of 2 independent populations presumes equal variances with samples of n1 = 20 and n2 = 20, the number of degrees of freedom is equal to
a) 39
b) 38
c) 19
d) 18.
a) 39
b) 38
c) 19
d) 18.
Answers
Answered by
chris
38 dof
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