Mathematics, 27.09.2021 02:30 nsald6973
You are interested in finding a 95% confidence interval for the average commute that non-residential students have to their college. The data below show the number of commute miles for 13 randomly selected non-residential college students.
10 21 14 15 8 19 9 7 9 17 20 11 6
a. To compute the confidence interval use a
?
distribution.
b. With 95% confidence the population mean commute for non-residential college students is between
and
miles.
c. If many groups of 13 randomly selected non-residential college students are surveyed, then a different confidence interval would be produced from each group. About
percent of these confidence intervals will contain the true population mean number of commute miles and about
percent will not contain the true population mean number of commute miles.
Answers: 2
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