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.

Construct a 97% confidence interval estimate for the average family dental expenses for all employees of this corporation.

115 370 250 593 540 225 177 425 318 182 275 228

Place your LOWER limit, in dollars rounded to 2 decimal places, in the first blank. Donotuse a dollar sign, a comma, or any other stray mark. For example, 123.45 would be a legitimate entry.___ Place your UPPER limit, in dollars rounded to 2 decimal places, in the second blank. Donotuse a dollar sign, a comma, or any other stray mark. For example, 567.89 would be a legitimate entry.___