The standard deviation of a set of numbers is the average distance the set of numbers is

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The standard deviation of a set of numbers is the average distance the set of numbers is from the mean of the set of numbers. If the standard deviation of a set of numbers is 6, which of the following would be the standard deviation of the new set of numbers formed by adding three to each number in the original set of numbers?

A. 3

B. 6

C. 9

D. 12

E. 15

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McGraw Hills Conquering SAT Math

ISBN: 9780071493413

2nd Edition

Authors: Robert Postman, Ryan Postman

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