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July 30, 2014

July 30, 2014

Posted by **angela** on Sunday, October 27, 2013 at 9:08pm.

on psychology test or a score of 52 on an

economics test, Scores on the psychology test have a mean of 87 and a standard deviation of 14. Scores on the economics

test have a mean of 53 and a standard deviation of 8.

- statistics -
**Kuai**, Sunday, October 27, 2013 at 9:36pmPsychology

z =(48-87)/14

z = -2.796

Economics

z =(52-53)/8

z = -0.125

The score of Economics is better.

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