Is chance variation a good defense

Reference no: EM13108153

Over the last year absentee rate at large corporation averaged 8.2 days absent with standard deviation of 6 days. One department with 40 employees had the absentee rate of 12 days per employee. During the investigation department head argued as follows: "If you took 40 employees at random from corporation, there is pretty good chance average number of days absent would be 12 or more. That is what occurred to us - chance variation." Is this good defense? Justify the answer.

Reference no: EM13108153

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