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A chocolate chip cookie manufacturing company recorded the number of chocolate chips in a sample of...

A chocolate chip cookie manufacturing company recorded the number of chocolate chips in a sample of 40 cookies. The mean is 22.03 and the standard deviation is 2.75.

Construct a 98​% confidence interval estimate of the standard deviation of the numbers of chocolate chips in all such cookies.

(round to two decimal places as needed)

_ chocolate chips <σ< chocolate chips _

Math   Statistics-And-Probability   
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