Computer Science 160 - Fall 1999 - James A. Landay
Uses a grading system that is clearly defined and equitable
Number of Respondents
30
Mean
3.0
Standard Deviation
1.1
Median
3.0
95% Confidence Interval
3.0 ± 0.4
Max
5.0
Frequency Distribution
| 1 | 2 (6.7%) |
|---|---|
| 2 | 7 (23.3%) |
| 3 | 9 (30.0%) |
| 4 | 4 (13.3%) |
| 5 | 3 (10.0%) |
| N/A | 0 (0.0%) |
| Omit | 5 (16.7%) |