A simple random sample of 10 people from a certain population has a mean age of 27.

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A simple random sample of 10 people from a certain population has a mean age of 27. Can we conclude that the mean age of the population is not 30? The variance is known to be 20.

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Statistical Reasoning for Everyday Life

ISBN: 978-0321817624

4th edition

Authors: Jeff Bennett, Bill Briggs, Mario F. Triola

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Posted Date: Aug 25, 2020 08:31 PM

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A simple random sample of 10 people from a certain population has a mean age of 27.

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n10 27 mean 0 20 variance 020 H H M 30 L Hypotheses df n1 1019 degree of freedo... View the full answer

Statistical Reasoning for Everyday Life

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