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IQ scores: Scores on an IQ test are normally distributed. A sample of 14 1Q scores had standard deviations = 8. (a] Construct a 98%

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IQ scores: Scores on an IQ test are normally distributed. A sample of 14 1Q scores had standard deviations = 8. (a] Construct a 98% confidence interval for the population standard deviation q, Round the answers to at least two decimal places. (b) The developer of the test claims that the population standard deviation is a = 12. Does this confidence interval contradict this claim? Explain. Part: 0 / 2 Part 1 of 2 A 98% confidence interval for the population standard deviation is X

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