Computer Science 161 - Fall 2009 - Doug Tygar

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Number of Respondents
40
Mean
3.3
Standard Deviation
1.4
Median
3.0
95% Confidence Interval
3.3 ± 0.4
Max
5.0
Frequency Distribution
1 6 (15.0%)
2 7 (17.5%)
3 7 (17.5%)
4 8 (20.0%)
5 11 (27.5%)
N/A 0 (0.0%)
Omit 1 (2.5%)
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