Question

In a sample with m = 40 and s = 8, what is the z-score corresponding to x = 38?

Answer 1

z = (x - m)/s
z = (38-40)/8
z = -2/8
z = -1/4
z = -0.25

The z score is -0.25

Answer 2

the z score is -0.25


hope this helps