FICO Credit Scores Data 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...



FICO Credit Scores
Data 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



768



532



657



559



741



792



701



753



745



681



598



693



743



444



502



739



755



835



714



517



787



714



497



636



637



797



568



714



618



830



579



818



654



617



849



798



751



731



850



591



802



756



689



789



628



692



779



756



782



760



503



784



591



834



694



795



660



651



696



638



635



795



519



682



824



603



709



777



829



744



752



783



630



753



661



604



729



722



706



594



664



782



579



796



611



709



697



732




May 26, 2022
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