Six measurements were made of the mineral content (in percent) of spinach, with the following results. Assume

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Six measurements were made of the mineral content (in percent) of spinach, with the following results.

Assume that the population is normally distributed.

a. Find the sample standard deviation s.

b. Construct a 99% confidence interval for the population standard deviation σ.

c. Based on the confidence interval, is it reasonable to believe that the population standard deviation might be less than 1.5?
Explain.

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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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Six measurements were made of the mineral content (in percent) of spinach, with the following results. Assume

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19.1 20.8 20.8 21.4 20.5 19.7

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Elementary Statistics

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