For a Sample of N = 100 Scores,X = 45

Multiple Choice

For a sample of n = 100 scores,X = 45 corresponds to z = 0.50 and X = 52 corresponds to z = +1.00.What are the values for the sample mean and standard deviation?

A) M = 31 and s = 7
B) M = 31 and s = 14
C) M = 38 and s = 7
D) M = 38 and s = 14