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The marks of a group of ten students are as follows: 72, 71, 63, 56, 83, 82, 87, 70, 75, 61 a) compute the mean:
The marks of a group of ten students are as follows: 72, 71, 63, 56, 83, 82, 87, 70, 75, 61 a) compute the mean: Mean (x): b) compute the standard deviation: Standard deviation (s): c) compute the coefficient of variation using answers from parts a and b. Coefficient if variations (CV): %
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