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We graded 201 exams this time; another five or six people will take a makeup exam after the break. The mean is 74.5 and the quartile scores are 63, 76, and 87.5. Slightly more than 50% of the group scored 76 or higher and slightly more than 25% scored 87.5 or higher. Last semester the quartile scores were 68.25, 78, and 85.75.
The median scores on the individual problems are:
You can't see it in the median scores, but too many people in the bottom two quartiles hurt their scores by not graphing the regions of integration (problems 3, 7 and 8). It's hard to get the limits right if you can't see what you are doing.
Once again, many people produced beautiful, detailed solutions to these problems. I'll post examples soon.
If you scored 65 or below (29% of the group), or you just want an A in the course, give some thought to these lists of good and bad study habits: ten things to do and ten things not to do.
We graded 201 exams this time; another five or six people will take a makeup exam after the break. The mean is 74.5 and the quartile scores are 63, 76, and 87.5. Slightly more than 50% of the group scored 76 or higher and slightly more than 25% scored 87.5 or higher. Last semester the quartile scores were 68.25, 78, and 85.75.
The median scores on the individual problems are:
16/20

10/10

9/10

7/10

4/6

12/12

8/12

10/10

8/10

You can't see it in the median scores, but too many people in the bottom two quartiles hurt their scores by not graphing the regions of integration (problems 3, 7 and 8). It's hard to get the limits right if you can't see what you are doing.
Once again, many people produced beautiful, detailed solutions to these problems. I'll post examples soon.
If you scored 65 or below (29% of the group), or you just want an A in the course, give some thought to these lists of good and bad study habits: ten things to do and ten things not to do.