Computer Science 61B - Spring 1998 - Paul Hilfinger

Uses visual aids and blackboards effectively

Number of Respondents
80
Mean
3.5
Standard Deviation
1.0
Median
4.0
95% Confidence Interval
3.5 ± 0.2
Max
5.0
Frequency Distribution
1 2 (2.5%)
2 12 (15.0%)
3 22 (27.5%)
4 28 (35.0%)
5 11 (13.8%)
N/A 1 (1.2%)
Omit 4 (5.0%)
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