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A random sample of 25 employees of a local utility firm showed that their monthly incomes...

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Statistics

A random sample of 25 employees of a local utility firm showedthat their monthly incomes had a sample standard deviation of $112.Provide a 90% confidence interval estimate for the standarddeviation of the incomes for all the firm's employees.

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Solution Given thats 112s2 105830n 25Degrees of    See Answer
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