In a sample of size 33 a sample mean of 382.97 and a sample standard deviation of
Question:
(a) Use an appropriate hypothesis test to assess whether there is sufficient evidence to establish that the population mean is different from 385.
(b) Construct a 999? two-sided confidence interval for the population mean.
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a The hypotheses are H 0 385 versus H A 385 and the ts...View the full answer
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Related Book For
Probability And Statistics For Engineers And Scientists
ISBN: 9780495107576
3rd Edition
Authors: Anthony Hayter
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