Which of the following exam scores is better relative to other students enrolled in the course?

• A psychology exam grade of 85; the mean grade for the psychology exam is 92 with a standard deviation of 3.5
• An economics exam grade of 67: the mean grade for the economics exam is 79 with a standard deviation of 8
• A chemistry exam grade of 62; the mean grade for the chemistry exam is 62 with a standard deviation of 5

1. The chemistry exam score is relatively better
2. The psychology exam score is relatively better
3. All of the exam scores are relatively equivalent
4. The economics exam score is relatively better