(a) What conclusions can you draw about changes in the mean and the standard deviation when each...

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(a) What conclusions can you draw about changes in the mean and the standard deviation when each value in a set of data is multiplied by the same number? 

(b) The mean and standard deviation of the set of data 1, 3, 4, 4, 5, 7 are 4 and 2, respectively. Use the conclusion drawn in part (d) to determine the mean and standard deviation of the set of data.

5, 15, 20, 20, 25, 35

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A Survey of Mathematics with Applications

ISBN: 978-0134112107

10th edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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