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 so bulbs used in its LCD projectors: Frequency 15 154 12 10+ 7 5+ 3 700 750 800 850 Bulb lifetime (in hours) 900 950 1000 Based on this histogram, draw the ogive (the cumulative frequency polygon) for this company's data.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.