A random sample of n = 12 observations from a normal population produced = 47.1 and

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A random sample of n = 12 observations from a normal population produced  = 47.1 and s2 = 4.7. Test the hypothesis H0: µ = 48 against H0: µ ≠ 48 at the 5% level of significance.
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Introduction To Probability And Statistics

ISBN: 9781133103752

14th Edition

Authors: William Mendenhall, Robert Beaver, Barbara Beaver

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