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Six people were asked to determine the amount of money they were​ carrying, to the nearest...

Six people were asked to determine the amount of money they were​ carrying, to the nearest dollar. The results were 9​, 44​, 31​, 32​, 21​, and 25 dollars. ​(a) Compute the mean and standard deviation for these data. ​(b) Add 10 to each of the values. Compute the mean and the standard deviation for this new set of values. ​(c) What properties of the mean and standard deviation are suggested by parts ​(a) and ​(b)​?

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