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Health issues are a concern of managers, especially as they evaluate the cost of med- ical insurance. A recent survey of 150 executives at Elvers Industries, a large insurance and financial firm located in the Southwest, reported the number of pounds by which the executives were overweight. Compute the mean and the standard deviation.

Pounds  Overweight

Frequency

0 up to  6

14

6 up to 12

42

12 up to 18

58

18 up to 24

28

24 up to 30

8

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