U.S.News and World Report ranks colleges and universities annually.You randomly
sample 100 of the national universities and liberal arts colleges from the year 2000
issue.The average cost, which includes tuition, fees, and room and board, is $23,571.49
with a standard deviation of $7,015.52.
(a)Based on this sample, construct a 95% confidence interval of the average cost of
attending a university/college in the United States.

Question

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The Answer of U.S.News and World Report ranks colleges and universities annually.You randomly
sample 100 of the national universities and liberal arts colleges from the year 2000
issue.The average cost, which includes tuition, fees, and room and board, is $23,571.49
with a standard deviation of $7,015.52.
(a)Based on this sample, construct a 95% confidence interval of the average cost of
attending a university/college in the United States.

USNews and World Report Ranks Colleges and Universities Annually