Analysis of Exam 2 Scores

Exam 1 Histogram | Exam 2 Histogram | Comparison of Exam 1 and Exam 2 Scores

The average on this exam was slightly lower than on exam 1 (82.9 vs. 81.3), but as shown in the comparison some people improved their score and some went in the opposite direction. In the comparison graph the circles are the scores for each student, the black line represents the same score on both exams, the blue lines are a change in score of +/- 5 for the two exams, and the red line is for a change of +/- 10.