A purchasing manager at a university is investigating which brand of LCD projector to purchase to equip "smart" classrooms. Of major concern to her is the lifetime of the light bulbs used in the projectors. One company has published the following information regarding the lifetimes of a sample of bulbs used in its LCD projectors: Bulb Lifetime (In hours) Frequency
700-750 4
750-800 7
800-850 16
850-900 12
900-950 8
950-1000 3
Based on this histogram, draw the ogive (the cumulative relative frequency polygon) for this company's data.
Cumulative Relative Frequency
1.0
0.8
0.6
0.4
0.2
0.0