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Listed below are the amounts of weight change (in pounds) for 12 women during their first year of work after graduating from college. Positive values

Listed below are the amounts of weight change (in pounds) for 12 women during their first year of work after graduating from college.

Positive values correspond to women who gained weight and negative values correspond to women who lost weight. What is the mean weight change?

1 -7 1 -7 17 -8 17 0 14 -8 12 7

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