Mathematics, 09.12.2020 22:00 335716hdjsngrhrs

The mean weight for team A with 15 members is 140 pounds, the mean weight for team B with 7 members is 135 pounds, and mean weight for team C with 20 members is 160 pounds. The overall mean weight for all three teams is

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The mean weight for team A with 15 members is 140 pounds, the mean weight for team B with 7 members...