Answer
(+) indicates above , (-) indicates below
a. Z = +2.0
+2.0 = 2*20 = 40 points
Z = +2.0 is located 40 points above the mean
b. Z = +0.5
+0.5 *20 = 10
Z = +0.5 is located 10 points above the mean.
c. Z= -1.0
-1.0 *20 = -20
Z= -1.0 is located 20 points below the mean.
D. Z=-0.25
-0.25*20 = -5
Z=-0.25 is located 5 points below the mean
Work Step by Step
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