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Use a calculator to find the mean and standard deviation of the data. Round to the nearest tent 755, 434, 959, 667, 381, 685,

Use a calculator to find the mean and standard deviation of the data. Round to the nearest tent 755, 434, 959, 667, 381, 685, 360, 925, 574, 103, 946, 653 a. mean 620.2; standard deviation = 253.1 standard deviation=253.1 b. mean = 660; c. mean 620.2; standard deviation = 64057.6 d. mean = 660; standard deviation = 64057.6

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