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The personnel department of a large corporation wants to estimate the family dental expenses of its employees to determine the feasibility of providing a dental

The personnel department of a large corporation wants to estimate the family dental expenses of its employees to determine the feasibility of providing a dental insurance plan. A random sample of 12 employees reveals the following family dental expenses 115,370,250,593,540,225,177,425,318,182,275,228

Construct a 95% confidence interval estimate for the standard deviation of family dental expenses for all employees of the corporation.

Place your LOWER limit in dollars rounded to 1 decimal place

Place your UPPER limit in dollars rounded to 1 decimal place

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