A sample of 25 undergraduates reported the following dollar amounts of entertainment expenses last year: 734 769 687 689 759 752 739 694 736 700 768 693 713 732 712 700 707 730 711 700 703 710 682 753 706
Added by Jose Antonio B.
Step 1
To calculate the mean, add up all the dollar amounts and then divide by the total number of observations (25 in this case). 734 + 769 + 687 + 689 + 759 + 752 + 739 + 694 + 736 + 700 + 768 + 693 + 713 + 732 + 712 + 700 + 707 + 730 + 711 + 700 + 703 + 710 + 682 + Show more…
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