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If We Are Testing for the Difference Between the Means

Question 2

Multiple Choice

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.

Correct Answer:

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