Computer Science 160 - Fall 1999 - James A. Landay

Uses visual aids and blackboards effectively

Number of Respondents
30
Mean
4.4
Standard Deviation
0.6
Median
5.0
95% Confidence Interval
4.4 ± 0.2
Max
5.0
Frequency Distribution
1 0 (0.0%)
2 0 (0.0%)
3 2 (6.7%)
4 11 (36.7%)
5 14 (46.7%)
N/A 0 (0.0%)
Omit 3 (10.0%)
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