Computer Science 61B - Fall 2011 - Paul Hilfinger

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Number of Respondents
162
Mean
3.5
Standard Deviation
1.2
Median
4.0
95% Confidence Interval
3.5 ± 0.2
Max
5.0
Frequency Distribution
1 8 (4.9%)
2 21 (13.0%)
3 38 (23.5%)
4 45 (27.8%)
5 36 (22.2%)
N/A 9 (5.6%)
Omit 5 (3.1%)
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