Boxes of cereal are labeled as containing 14 ounces Following are the weights of a sample of 12 boxes Assume that the population is normally distributed a Find the sample standard deviation s b Construct a 98 confidence interval for the population standard deviation c The goal of the quality contro...

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Boxes of cereal are labeled as containing 14 ounces. Following are the weights of a sample of

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Boxes of cereal are labeled as containing 14 ounces. Following are the weights of a sample of 12 boxes.

Assume that the population is normally distributed. image text in transcribed

a. Find the sample standard deviation s.

b. Construct a 98% confidence interval for the population standard deviation σ.

c. The goal of the quality control manager is for the population standard deviation of the weights to be less than 0.03. Based on the confidence interval, is it reasonable to believe that the goal has been met?

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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Question Posted: May 07, 2024 12:02 PM

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Boxes of cereal are labeled as containing 14 ounces. Following are the weights of a sample of

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Elementary Statistics

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