Scores on an IQ test are normally distributed A sample of 25 IQ scores had standard deviation s 8 a Construct a 95 confidence interval for the population standard deviation b The developer of the test claims that the population standard deviation is 15 Does this confidence interval contradict this ...

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Scores on an IQ test are normally distributed. A sample of 25 IQ scores had standard deviation

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Scores on an IQ test are normally distributed. A sample of 25 IQ scores had standard deviation s = 8.

a. Construct a 95% confidence interval for the population standard deviation σ.

b. The developer of the test claims that the population standard deviation is σ = 15.

Does this confidence interval contradict this claim? 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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Scores on an IQ test are normally distributed. A sample of 25 IQ scores had standard deviation

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Elementary Statistics

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