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In: Statistics and Probability

The mean number of sick days an employee takes per year is believed to be about...

The mean number of sick days an employee takes per year is believed to be about ten. Members of a personnel department do not believe this figure. They randomly survey eight employees. The number of sick days they took for the past year are as follows: 12; 4; 15; 3; 11; 8; 6; 8. Test the claim of the personnel team, that the mean number of sick days per year is less than ten. Ho : μ = Ha : μ < t - Test Statistic = (Round to 2 decimals) p - Value = (Round to 4 decimals)

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