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5. a. After 3 points have been added to every score in a sample, the mean is found to be M = 83 and the

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5. a. After 3 points have been added to every score in a sample, the mean is found to be M = 83 and the standard deviation is s = 8. What were the values for the mean and standard deviation for the original sample? b. After every score in a sample has been multiplied by 4, the mean is found to be My = 48 and the standard deviation is s = 12. What were the values for the mean and standard deviation for the original sample

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