Question: Which is relatively better: a score of 79 on a psychology test or a score of 38 on an economics test? Scores on the psychology test have a mean of 89 and a standard deviation of 14. Scores on the economics test have a mean of 51 and a standard deviation of 10. Choose the correct answer from the choices below:
a) The psychology test score is relatively better because its z score is less than the z score for the economics test score
b) The economics test score is relatively better because its z score is less than the z score for the psychology test score
c) The economics test score is relatively better because its z score is greater than the z score for the psychology test score
d) The psychology test score is relatively better because its z score is greater than the z score for the economics test score