Question: Refer to Data Set 24 in Appendix B and use the credit rating scores to construct a 95% confidence interval estimate of the standard deviation

Refer to Data Set 24 in Appendix B and use the credit rating scores to construct a 95% confidence interval estimate of the standard deviation of all credit rating scores.

Data Set 24: FICO Credit Rating Scores The FICO scores are credit

Data Set 24: FICO Credit Rating Scores The FICO scores are credit rating scores based on the model devel- oped by Fair Isaac Corporation, and are based on data from Experian. STATDISK: Minitab: Excel: TI-83/84 Plus: Text file names: Data set name is FICO. Worksheet name is FICO.MTW. Workbook name is FICO.XLS. App name is FICO, and the file name is the same as for the text file. Text file name is FICO. 797 793 711 681 657 559 741 792 743 444 502 739 497 636 637 797 568 654 617 849 798 751 628 692 694 795 824 708 713 781 809 698 836 768 532 745 681 598 693 714 517 787 714 618 830 579 818 850 591 802 756 689 789 782 760 503 784 591 834 696 638 635 795 519 682 630 829 744 752 783 706 594 664 782 579 768 611 701 753 755 835 753 661 796 611 779 660 603 709 604 729 709 697 714 731 756 651 777 722 732

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