The following information was obtained from two independent samples selected from two populations with unknown but equal
Question:
n1 = 55 1 = 90.740 s1 = 11.60
n2 = 50 2 = 86.30 s1 = 10.25
a. What is the point estimate of µ1 – µ2?
b. Construct a 99% confidence interval for µ1 – µ2.
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a 1 2 9040 8630 410 b s p n 1 1s 1 2 n 2 1s 2 2 n 1 n 2 n 3 55 11160 2 50 11025 ...View the full answer
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