Which is relatively better: a score of 91 on a psychology test or a score of 89 on an economics
test? Scores on the psychology test have a mean of 82 and a standard deviation of 6. Scores on
the economics test have a mean of 70 and a standard deviation of 12. Explain your answer.
- ?Lv 66 months agoFavourite answer
In economics, you are much greater than the average. You are 19 away above the mean. Higher SD shows that you are the great one in the class. In the psychology class every one is doing great. It does not show that you are talented.