Help with a z-score problem
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Help with a z-score problem

[From: ] [author: ] [Date: 12-04-27] [Hit: ]
......
Can somebody help me figure out how to do this problem?

If you got an 86 on a test where the class average was 84 and the class standard deviation was 10, then what would be your z-score?

-
z = (x - µ)/σ

z = (86 - 84)/10

= 2/10 = 0.2
1
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