A sample of 25 undergraduates reported the following dollar amounts of entertain

Question

A sample of 25 undergraduates reported the following dollar amounts of entertainment expenses last year:

  

Find the mean, median and mode of this information. (Round your answers to 2 decimal places.)

What are the range and standard deviation? (Round your answers to 2 decimal places.)

Use the Empirical Rule to establish an interval which includes about 95 percent of the observations. (Round your answers to 2 decimal places.)

757 764 722 750 751 696 716 684 716 743 774 766 767 759 701 744 707 720 730 741 749 680 733 746 756

Explanation / Answer

a.

Mean=734.88

Median=743.00

Mode=716

b.

Range=94.00

Standard Deviation= 26.66

c.

Interval from $723.88 to $745.88

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