EC number 38 part 2

EC number 38 part 2 - managers with more than 20 years of...

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than 20 years experience have an average salary of $68,000 and a sample standard deviation of $19,000. b. What size sample would be needed to ensure that we could estimate the true mean salary of all quality
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Unformatted text preview: managers with more than 20 years of experience and have only 1 chance in 100 of being off by more than $500? 38. A sample of 9 quality control managers with more...
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