Multiple Choice
In testing the difference between the means of two normally distributed populations,if µ1 = µ2 = 50,n1= 9,n2 = 13,the degrees of freedom for the t statistic is ___________.
A) 22
B) 21
C) 19
D) 20
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q49: Given the following information about a
Q50: If the limits of the confidence interval
Q51: The registrar at a state college is
Q52: In comparing the difference between two independent
Q53: Suppose that a realtor is interested in
Q55: A fast food company uses two management-training
Q56: When testing the difference for the population
Q57: Given the following information about a hypothesis
Q58: Assume that we are constructing confidence interval
Q59: In which of the following tests is