Posted by **niki** on Tuesday, September 27, 2011 at 7:24am.

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?

- statistics -
**Shineylou**, Tuesday, September 27, 2011 at 8:08am
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.

- statistics -
**niki**, Tuesday, September 27, 2011 at 10:51am
Yes i'm looking for the z score.

Thank you so much.

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