Statistics Solutions

(All Steps) Cost of College The average undergraduate cost for tuition, fees, and room and board for two- year institutions last year was $13,252. The following

Question: Cost of College The average undergraduate cost for tuition, fees, and room and board for two- year institutions last year was $13,252. The following year, a random sample of 20 two-year institutions had a mean of $15,560 and a standard deviation of $3500. Is there sufficient evidence at the \(\alpha =0.01\) level to conclude that the mean cost has increased?

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