Question
How do the average credit scores of people living in different cities differ? The data in the accompanying table is an ordered array of the
How do the average credit scores of people living in different cities differ? The data in the accompanying table is
an ordered array of the average credit scores of 47 cities.
702 703 704 709 709 710 710 710 710 714
724 726 730 731 733 735 735 738 739 740
740 740 740 741 745 745 747 747 748 748
749 749 754 754 755 756 757 757 759 762
764 766 770 771 773 776 782
Construct a frequency distribution and a percentage distribution that have class intervals with the upper class boundaries 704, 714, and so
on.
Frequency Distribution
Credit Score Frequency
695 but less than 705
705 but less than 715
715 but less than 725
725 but less than 735
735 but less than 745
745 but less than 755
755 but less than 765
765 but less than 775
775 but less than 785
785 but less than 795
Percentage Distribution
Credit Score Percentage
695 but less than 705
705 but less than 715
715 but less than 725
725 but less than 735
735 but less than 745
745 but less than 755
755 but less than 765
765 but less than 775
775 but less than 785
785 but less than 795
(Round to two decimal places as needed.)
Construct a cumulative percentage distribution.
Credit Score
Percentage Less
Than Indicated
Amount
695
705
715
725
735
745
755
765
775
785
795
(Round to two decimal places as needed.
Cumulative percentages close to 100%
are correct due to rounding at each level.)
What conclusions can you reach concerning the average credit scores of people living in different cities? Where do the most average credit
scores lie?
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