FICO Credit ScoresData Set 24 in Appendix B includes a simple random sample of FICO credit rating scores. As of this writing, the mean FICO score was reported to be 678. Use a 0.05 signficance level to test the claim that the sample of FICO scores comes from a population with a mean equal to 678.
Data Set 24: FICO Credit Rating Scores
The FICO scores are credit rating scores based on the model developed by Fair Isaac Corporation, and are based on data from Experian.
STATDISK:
Data set name is FICO.
Minitab:
Worksheet name is FICO.MTW.
Excel:
Workbook name is FICO.XLS.
TI-83/84 Plus:
App name is FICO, and the file name is
the same as for the text file.
Text file names:
Text file name is FICO.
708
713
781
809
797
793
711
681
768
611
698
836
532
657
559
741
792
701
753
745
598
693
743
444
502
739
755
835
714
517
787
497
636
637
568
618
830
579
818
654
617
849
798
751
731
850
591
802
756
689
789
628
692
779
782
760
503
784
834
694
795
660
651
696
638
635
519
682
824
603
709
777
829
744
752
783
630
661
604
729
722
706
594
664
796
697
732
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