Ask a New Question

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.

1 answer

38 dof

Ask a New Question or answer this question.

Similar Questions

1)Please Help In testing whether the means of two normal populations are equal, summary statistics computed for two independent
1. 1 answer
testing for the differences between means of 2 independent populations where the variances in each population r unknown, u must
1. 1 answer
if we are testing for the difference between two populations, it is assumed that the two populations are approximately normal
1. 1 answer
. For each of the following, assume that the two samples are selected from populations with equal means and calculate how much
1. 1 answer

more similar questions