The data that follow show this information for the leading liquid sports drinks.     (a) What is a good summary number for typical calories per serving for these drinks? (b) What is a good summary number for the variation in the calories per serving? (c)  What is a good summary number for typical cost per serving for these drinks? What is a good summary number for the variation in costs per serving? (d) Does the total of the calories column provide useful information ? How about the total of the cost column? (e) Suppose Hydra Fuel is eliminated from the list? What impact does that have on the average calories per serving? On the standard deviation of calories per serving?          On the average cost per serving? On the standard deviation of the cost per serving?

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