Solve the following problems. a. After 8 points are added to each score in a sample, the mean is found to be M = 40. What was the value for the original mean? b. After every score in a sample is...

Solve the following problems.

a. After 8 points are added to each score in a sample, the mean is found to be M = 40. What was the value for the original mean?

b. After every score in a sample is multiplied by 5, the mean is found to be M = 40. What was the value for the original mean?