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If Testing for the Difference Between the Means of Two

Question 71

Multiple Choice

If testing for the difference between the means of two related populations,with samples of sizes n1 = n2 = n,where the variance of the differences is unknown,what is the number of degrees of freedom?


A) n - 1
B) 2n - 1
C) 2(n - 1)
D) n - 2

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