The percentage of examinees who took the GMAT (Graduate Management Admission) exam from June 1992 to March 1995 and scored below each total score is given in the file S05_72.xlsx. For example, 96% of all examinees scored 690 or below. The mean GMAT score for this time period was 497 and the standard deviation was 105. Does it appear that GMAT scores can accurately be approximated by a normal distribution?
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