Please simplify step by step instructions if you can on how to solve this type of problem.
A population of N=15 scores has a mean of M=8. One score in the population is changed from x=20 to x=5. What is the value for the new population mean?© BrainMass Inc. brainmass.com June 25, 2018, 6:17 am ad1c9bdddf
The solution provides step by step calculations of population mean.