Computer Science 260 - Fall 1999 - James A. Landay

Uses a grading system that is clearly defined and equitable

Number of Respondents
12
Mean
4.0
Standard Deviation
1.0
Median
4.0
95% Confidence Interval
4.0 ± 0.6
Max
5.0
Frequency Distribution
1 0 (0.0%)
2 1 (8.3%)
3 1 (8.3%)
4 4 (33.3%)
5 3 (25.0%)
N/A 1 (8.3%)
Omit 2 (16.7%)
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