Question: A study was conducted to estimate the mean age when people buy their first new car. The ages of purchase for22 randomly selected people are

A study was conducted to estimate the mean age when people buy their first new car. The ages of purchase for22

randomly selected people are given below. Assume the ages are approximately normally distributed. Use Excel to determine the99%

confidence interval for the mean. Round your answers to two decimal places and use increasing order.

Ages:19

25

27

23

15

21

22

15

18

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