February 21, 2017

Homework Help: math

Posted by marissa on Tuesday, July 30, 2013 at 11:03pm.

it is claimed that the average age of employees in a large company is 50. a sample of 36 employees is taken and the average age was 49. the standard deviation of the population was 5. use a level of significance of 0.5. what do you think of the claim?

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