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A chocolate chip cookie manufacturing company recorded the number of chocolate chips in a sample of 50 cookies. The mean is 22.93 and the standard

A chocolate chip cookie manufacturing company recorded the number of chocolate chips in a sample of 50 cookies. The mean is 22.93 and the standard deviation is 2.58. Construct a 98?% confidence interval estimate of the standard deviation of the numbers of chocolate chips in all such cookies.

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