A statistic is a characteristic or measure obtained by ...

Consistency of Weight Loss Program . In a recent study of the effect of a certain diet on weight reduction, 11 subjects were put on the diet for two weeks and their weight loss/gain in lbs was measured (positive values indicate weight loss). 1, 1, 2, 2, 3, 2, 1, 1, 3, 2.5, -23. What is the standard deviation of the weight loss… ................
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