Exam 2
March 6, 2008

Histogram of test scores

Students: 231
Average: 30.7

Grade Cuts

Point Range	Grade
40 --> 50	A
38 --> 39	B+ to A-
33 --> 37	B
31 --> 32	C+ to B-
26 --> 30	C
24 --> 25	C-,P
20 --> 23	D,NP
0 --> 19	F,NP

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Key

Question 1:

• (LEFT): Which of the following characteristics ... ?
• (MIDDLE): What property of Mars is responsible ... ?
• (RIGHT): What effect does the Greenhouse Effect ... ?

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Questions	Answers	Answers	Answers
1-5	A,B,B,B,B	D,B,B,E,D	D,C,B,D,D
6-10	A,B,A,D,E	C,B,C,E,D	A,C,C,A,B
11-15	C,E,E,A,A	D,A,B,E,A	D,B,E,A,D
16-20	C,E,E,E,A	B,E,C,C,E	C,E,E,A,C
21-25	D,B,D,C,B	E,B,A,C,D	A,B,B,E,B
26-30	E,C,B,C,A	A,E,C,E,E	C,B,E,C,E
31-35	D,D,A,E,D	D,B,C,A,B	E,D,B,E,B
36-40	A,E,C,A,B	A,A,B,B,A	D,E,A,B,C
41-45	B,C,C,C,B	C,D,B,B,A	A,B,B,C,A
46-50	B,A,D,D,B	D,A,C,A,B	A,B,A,A,D

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