After every score in a sample has been multiplied by 4 the, Basic Statistics

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After every score in a sample has been multiplied by 4 the

1. 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 M =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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Basic Statistics: After every score in a sample has been multiplied by 4 the

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