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August 2, 2015

Homework Help: statistics

Posted by Joey on Saturday, October 1, 2011 at 10:53am.

A manager states that in his factory, the mean number of days per year missed by his employees is less than the national mean of 10. The following data is days missed by some of his employees last year (mean=5.025, standard deviation=3.634). Is there sufficient avidence to belive the manager's statement?

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