Chem 454
Exam 2
Summary
A copy of the exam with answers is on the Web at
Exam 2 contents
Exam had 100 points (select 10 of 11 probelms at 10 pts each)
- Class Average = 47
- Grade distribution:
- 3 papers in the 30's
- 2 papers in the 40's
- 4 papers in the 50's
- 2 papers in the 60's
- 1 paper in the 70's
- looks like exam was too long (too many questions)
- probably would have gotten better, more complete answers for a shorter exam
- Table shows the Distribution by questions
| question
| average
| # who skipped
| # with 10-9-8
| # with 5-6-7
| # with 0-4
|
| 1
| 6.9
| 0
| 6
| 4
| 2
|
| 2
| 5.3
| 0
| 3
| 2
| 6
|
| 3
| 3.3
| 3
| 1
| 0
| 8
|
| 4
| 5.2
| 2
| 4
| 1
| 5
|
| 5
| 3.9
| 3
| 3
| 0
| 6
|
| 6
| 3.7
| 0
| 1
| 2
| 9
|
| 7
| 7.2
| 0
| 6
| 3
| 3
|
| 8
| 4.9
| 2
| 1
| 6
| 3
|
| 9
| 3.3
| 1
| 1
| 2
| 8
|
| 10
| 5.9
| 0
| 4
| 5
| 2
|
| 11
| 5.5
| 0
| 2
| 7
| 3
|
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