A Human Resources manager at Metal Technologies studied the overtime hours of welders. A sample of 15

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A Human Resources manager at Metal Technologies studied the overtime hours of welders. A sample of 15 welders showed the following number of overtime hours worked last month.

(a) compute the arithmetic mean

(b) indicate whether it is a statistic or a parameter.

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Statistical Techniques in Business and Economics

ISBN: 978-1259666360

17th edition

Authors: Douglas A. Lind, William G Marchal

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