A random sample of 8 has a mean of 543. Test the null hypothesis that =
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A random sample of 8 has a mean of 543. Test the null hypothesis that μ = 500 against the alternative hypothesis that μ > 120 at a 1% level of significance for the following cases;
(a) assuming the population standard deviation of 45 is known, and
(b) assuming that the population standard deviation is unknown with a sample value of 45. Discuss the results.
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Related Book For
Probability Statistics And Reliability For Engineers And Scientists
ISBN: 9781439809518
3rd Edition
Authors: Bilal M. Ayyub, Richard H. McCuen
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