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This data is from a sample. Calculate the mean, standard deviation, and coefficient of variation. 31.4 33.9 30.8 28.6 21.7 34.6 40.4 17.3 Please

This data is from a sample. Calculate the mean, standard deviation, and coefficient of variation. 31.4 33.9 30.8 28.6 21.7 34.6 40.4 17.3 Please show the following answers to 2 decimal places. Mean = Standard Deviation = = Coefficient of Variation = = % (Please enter a whole number.)

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