Two classes, class A and class B, have completed the same exam. The data is a summary of their exam scores. Use the drop-down menus to complete the statements below.

class a class b
number of students 30 27
minimum 15 35
maximum 96 100
median 62 76
1st quartile 43 58
2nd quartile 75 84

Question 2 (essay worth 10 points) (03.02 mc) in δabc shown below, point a is at (0, 0), point b is at (x2, 0), point c is at (x1, y1), point d is at x sub 1 over 2, y sub 1 over 2, and point e is at the quantity of x sub 1 plus x sub 2 over 2, y sub 1 over 2: triangle abc is shown. point d lies on segment ac and point e lies on segment bc. a segment is drawn between points d and e. point a is at the origin. prove that segment de is parallel to segment ab.