Research Article
Lab Attendance and Academic Performance
Table 1
Descriptive statistics.
| Variable | Obs | Mean | Std.dev | Min | Max |
| Age of student | 196 | 20.27 | 1.38 | 18.34 | 31.33 | Age of student Squared | 196 | 412.86 | 63.52 | 336.29 | 981.5 | SAT | 187 | 1039.41 | 117 | 600 | 1440 | Fall 2008 term Grade point Average | 192 | 2.79 | 0.73 | 0 | 4 | Spring 2009 Hours attempted | 196 | 16.06 | 2.06 | 9 | 21 | Students live on campus | 196 | 0.39 | 0.49 | 0 | 1 | Freshman students | 4 | | | | | Sophomore students | 79 | | | | | Junior students | 87 | | | | | Senior students | 26 | | | | |
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