Question

Andy took a physics test and scored a 35. The class average was 26 and the standard deviation was 5. Trevor took a chemistry test and scored an 82. The class average was 70 and the standard deviation was 8. Who performed better? What is the rationale for your answer, i.e., how do you know this?

Answer 1

Using the best webpage for this kind of work:

davidmlane.com/normal.html

The percentage of students above Andy's score of 35 = appr 3.59%
The percentage of students above Trevor's score of 82 = appr 6.68%

So what is your verdict?