A population mean is 13. The sample mean is 12.8, and the sample standard deviation is two.
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A population mean is 13. The sample mean is 12.8, and the sample standard deviation is two. The sample size is 20.
What distribution should you use to perform a hypothesis test? Assume the underlying population is normal.
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Related Book For
Introductory Business Statistics
ISBN: 202318
1st Edition
Authors: Alexander Holmes , Barbara Illowsky , Susan Dean
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