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In Testing for the Differences Between the Means of 2

Question 121

Multiple Choice

In testing for the differences between the means of 2 independent populations where the variances in each population are unknown but assumed equal,the degrees of freedom are


A) n - 1.
B) n1 + n2 - 1.
C) n1 + n2 - 2.
D) n - 2.

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