1. If a student produces a raw score of 67 and that score is exactly 1.5 standard deviations above the mean, what would this student's score be if translated to the SAT distribution
(µ = 500 and s = 100)?
600
650
670
820

2. If you were to measure the heights of all people in the United States, the resulting distribution would be
bimodal because of males and females in the population
normal
slightly skewed
impossible to measure

3. If the mean of a distribution is 25 and the standard deviation is 5, what is the z score for a raw score of 37.5?
1
2
2.5
2.7

4. In which of the following normal distributions will the least proportion of the area lie above a score of 100?
µ = 100, s = 25
µ = 50, s = 100
µ = 90, s = 10
µ = 60, s = 45

5.Approximately what percent of the observations in a normal distribution fall below a z score of -1.0?
8%
34%
68%
None of these

6. In the normal distribution, a z score of 0.0 has a percentile rank of
0
1
5
50

Questions 7-10 pertain to the following data:

X	f
5	2
4	4
3	4
2	8
1	0
0	2

7. What is the mean of this distribution?
2.5
2.7
3.5
4

8. Find the sum of squares for this distribution.
0
10
36
38

9. The sample variance is ___.
0
1
2
3

10. Compute the standard deviation of this distribution.
0
1.3
1.4
1.8

Score = 
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