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October 22, 2014

Homework Help: Statistics

Posted by Donna on Saturday, February 11, 2012 at 2:53pm.

I need help with (b): A small company with 5 employees wants to know some statistics about their employee's ages. They surveyed the 5 employees and found that their ages were: 22, 29, 35, 37 and 42.
(a)Determine:
Mean age: 33
Median: 35
Range: 20
Variance: 59.5
S.D.: 7.72
(b) How would your answers change if this was a sample of 5 employees from a company of 10,000? I believe it would not change the answers.

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