Question

Gregorio took two tests. Find his z-score for each test. (Remember: The number of standard deviations between a score and the mean score is indicated by a z-score.) On which did he score better compared with others in his class?

Test A
Test B
Gregorio’s score
62
70
Mean score
80
90
Standard deviation
6
10
a.
Test A: 3; Test B: 2; Test A
c.
Test A: –2; Test B: –3; Test A
b.
Test A: –3; Test B: –2; Test B
d.
Test A: –3; Test B: –2; Test A

Answer 1

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