Business, 12.11.2020 16:50 lovvyDovvy04

An organization tracking college expenses reported that the average cost of textbooks and supplies for students attending four-year public colleges and universities in the 2015-16 academic year is $1,298. Suppose a sample of 15 students was selected and the accompanying data reflect the amount they paid for textbooks and supplies during that year. Complete parts a and b below. $1,506 $1,358 $1,204 $1,207 $1,062

$1,316 $1,38 $1,554 $1,501 $1,421

$1,398 $1,223 $1,382 $1,542 $1,176

A. Calculate the mean and standard deviation.

B. Determine the number of standard deviations the most extreme cost is away from the mean. If someone were to advise a prospective student concerning the money the student should save to afford the cost of books and supplies or one year or at least 90% of the colleges, determine the amount they would suggest .

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