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In: Statistics and Probability

A sample of 25 undergraduates reported the following dollar amounts of entertainment expenses last year. 684...

A sample of 25 undergraduates reported the following dollar amounts of entertainment expenses last year.
684 710 688 711 722 698 723 743 738 722 696 721 685 763 681 731 736 771 693 701 737 717 752 710 697

  1. a) Calculate the standard deviation [5]

  2. b) Find the semi-interquartile range [5]

  3. c) Find the 58th percentile

The percent increase in sales for the last 4 years at Combs Cosmetics were: 4.91, 5.75, 8.12, and21.60
Compute the geometric mean percent increase.

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Expert Solution

orchestra answered 1 year ago
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