Which is relatively better a score of 48

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.

Psychology

z =(48-87)/14

z = -2.796
Economics

z =(52-53)/8

z = -0.125

The score of Economics is better.