Asked by niki

1. On final examination in Business Law, the mean was 68 and the standard deviation was 12. Determine the standard scores of students receiving marks of 50?
Answered by Shineylou
Are you looking for the z score?
If so,
x-x bar (mean)/sd
50-68 / 12
-1.5

This particular datum is 1.5 sd's below the mean.
Answered by niki
Yes i'm looking for the z score.
Thank you so much.
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