Stat220 Grades Histogram: Winter 2006 Grade Number of students =============================== I or X 4 (These students were unable to take the final exam) 0.0 5 (These students did not take the final exam) 1.4 or 1.5 4 1.7 or 1.8 9 2.0 or 2.1 8 2.3 to 2.5 26 Lower quartile is 2.4 2.6 or 2.7 19 2.8 or 2.9 20 Median is 2.9 3.0 to 3.2 19 3.3 to 3.5 21 Upper quartile is 3.5 3.6 to 3.8 23 3.9 or 4.0 15 ====================================