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What Formula Is Used to Calculate the Degrees of Freedom

Question 108

Multiple Choice

What formula is used to calculate the degrees of freedom for the t test for comparing two population means when the population variances are unknown and unequal?


A) df = n - 1
B) df = n1 + n2 - 2
C) df = n1+ n2-1
D) What formula is used to calculate the degrees of freedom for the t test for comparing two population means when the population variances are unknown and unequal? A) df = n - 1 B) df = n<sub>1</sub> + n<sub>2</sub> - 2 C) df = n<sub>1</sub>+ n<sub>2</sub>-1 D)

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