Computer Science 169 - Spring 2001 - James A. Landay

Uses a grading system that is clearly defined and equitable

Number of Respondents
22
Mean
3.6
Standard Deviation
0.8
Median
3.5
95% Confidence Interval
3.6 ± 0.3
Max
5.0
Frequency Distribution
1 0 (0.0%)
2 1 (4.5%)
3 10 (45.5%)
4 8 (36.4%)
5 3 (13.6%)
N/A 0 (0.0%)
Omit 0 (0.0%)
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