statistics
posted by laur on .
A population of N=8 scores has a mean of µ = 20. If one score is changed from X=14 to X=50, what will be the value for the new mean?

Mean = Σ(scores)/N
20 = x/8
160 = Σ(scores)
With 36 additional points, Σ(scores) = 196
New Mean = 196/8