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In Testing the Difference Between the Means of Two Normally

Question 14

Multiple Choice

In testing the difference between the means of two normally distributed populations, if μ1 = μ2 = 50, n1 = 9, and n2 = 13, the degrees of freedom for the t statistic equals ________.


A) 22
B) 21
C) 19
D) 20

Correct Answer:

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