For population with mean of m = 100 and standard deviation of s = 10.
a. Find out the z-scores for each of the following X values.
X = 105 X = 120 X = 130
X = 90 X = 85 X = 60
b. Find out the score (X values) which corresponds to each of following z-scores.
z = -1.00 z = -0.50 z = 2.00
z = 0.70 z = 1.50 z = -1.50