For a population with a mean of = 100 and a standard deviation of = 12,

a.Find the z-score for each for the following x-values.

x = 106

x = 91

x = 115

x = 130

x = 61

b.Find the score (x-value) that corresponds to each of the following z-scores.

z = -1.00

z = 0.75

z = -.50

z = 1.50

z = 2.00

z = -1.25