Computer Science 161 - Fall 2013 - Doug Tygar

Uses visual aids and blackboards effectively

Number of Respondents
39
Mean
2.8
Standard Deviation
1.2
Median
2.0
95% Confidence Interval
2.8 ± 0.4
Max
5.0
Frequency Distribution
1 5 (12.8%)
2 14 (35.9%)
3 5 (12.8%)
4 12 (30.8%)
5 2 (5.1%)
N/A 0 (0.0%)
Omit 1 (2.6%)
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