A statistics instructor gave a 10-point quiz in which the mean was 8.28 with a standard deviation

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A statistics instructor gave a 10-point quiz in which the mean was 8.28 with a standard deviation of 1.58. Suppose the instructor, being a mean ogre, adjusts all the scores by dividing them all by 2 and then subtracting a point from each one. What are the values of the mean and standard deviation of the adjusted scores?

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Introduction To Statistical Investigations

ISBN: 9781119683452

2nd Edition

Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy

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