(a) A random sample of 20 observations yielded a mean of 40 and standard deviation 10. Test...
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(a) A random sample of 20 observations yielded a mean of 40 and standard deviation 10. Test the hypothesis that μ = 45 against the alternative that it is not. Use the 5% significance level.
(b) What assumption are you implicitly making in carrying out this test?
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Answer a Let be the mean of the population To test H 1 45 against H 1 1 45 where H is the null hypot...View the full answer
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Related Book For
Statistics For Economics Accounting And Business Studies
ISBN: 978027368308
4th Edition
Authors: Michael Barrow
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