To test H0: = 5.2 versus H1: 5.2, a simple random sample of size
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To test H0: σ = 5.2 versus H1: σ ≠ 5.2, a simple random sample of size n = 18 is obtained from a population that is known to be normally distributed.
(a) If the sample standard deviation is determined to be s = 4.9, compute the test statistic.
(b) Test this hypothesis at the α = 0.05 level of significance.
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a b With degrees of freedom the critic...View the full answer
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Related Book For 
Statistics Informed Decisions Using Data
ISBN: 9780134133539
5th Edition
Authors: Michael Sullivan III
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