Computer Science 172 - Fall 2000 - Thomas A. Henzinger

Uses visual aids and blackboards effectively

Number of Respondents
20
Mean
3.6
Standard Deviation
0.9
Median
4.0
95% Confidence Interval
3.6 ± 0.4
Max
5.0
Frequency Distribution
1 0 (0.0%)
2 3 (15.0%)
3 5 (25.0%)
4 8 (40.0%)
5 3 (15.0%)
N/A 1 (5.0%)
Omit 0 (0.0%)
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