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You Collect a Sample of 15 Survey Scores from Customers

Question 4

Multiple Choice

You collect a sample of 15 survey scores from customers of Company A and 15 survey scores from customers of Company B. If 1 =3.1 2= 1.9 and sp2 = 2.55, what is the critical value of t for a two-tailed test if = .05?


A) ± 2.045
B) ± 2.048
C) ± 1.701
D) ± 1.699

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