A 95% CI for true average amount of warpage (mill) of
Chapter 8, Problem 56E(choose chapter or problem)
Problem 56E
A 95% CI for true average amount of warpage (mill) of laminate sheets under specified conditions was calculated as (1.81, 1.95), based on a sample size of = 15 and the assumption that amount of warpage is normally distributed.
a. Suppose you want to test Ho: μ= 2 versus Ha: μ≠2 using α= .05. What conclusion would be appropriate, and why?
b. If you wanted to use a significance level of .01 for the test in (a), what conclusion would be appropriate?
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