Calculating the Z scores for the given normal distribution
For a sample with mean = 50 and standard deviation = 10.
A. Find the z-score for each of following X values:
X = 60
X = 75
X = 30
B. Now find out the score (X value) that corresponds to each of the following z-scores:
z = 0.8
z = 1.5
z = -1.5