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Seven students on an intramural team weigh 177 lb, 189 lb, 172 lb, 183 lb, 179 lb, 198 lb and 176 lb. What is

Seven students on an intramural team weigh 177 lb, 189 lb, 172 lb, 183 lb, 179 lb, 198 lb and 176 lb. What is the standard deviation of the weights of these students? The standard deviation is (Round to the nearest tenth.)

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