# 6. The three data sets have the same mean and range, but is the variation the same? Prove your answer by com- puting the standard deviation. Assume the data were obtained from samples. a. 5,7,9, 11, 13, 15, 17 b. 5, 6,7, 11, 15, 16, 17 c. 5,5, 5, 11,17, 17, 17

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