You are interested in finding a 90% confidence interval for the average commute that non-residential students have to their college. The data below show the number of commute miles for 14 randomly selected non-residential college students. Round answers to 3 decimal places where possible.   23 26 18 10 6 15 6 27 19 6 19 11 16 25

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You are interested in finding a 90% confidence interval for the average commute that non-residential students have to their college. The data below show the number of commute miles for 14 randomly selected non-residential college students. Round answers to 3 decimal places where possible.

 

23 26 18 10 6 15 6 27 19 6 19 11 16 25

 

a. To compute the confidence interval use a ? t distribution.

b. With 90% confidence the population mean commute for non-residential college students is between  and   miles.

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