The following information was obtained from two independent samples selected from two normally distributed populations with unknown
Question:
n1 = 21 1 = 13.97 s1 = 3.78
n2 = 20 2 = 15.55 s1 = 3.26
a. What is the point estimate of µ1 – µ2?
b. Construct a 95% confidence interval for µ1 – µ2.
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a 1 2 1397 1555 158 b s p n 1 1s 1 2 n 2 1s 2 2 n 1 n 2 n 3 2...View the full answer
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