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Garden with Insight v1.0 Help: proportion

A proportion is a number from zero to one that is one variable divided by another of which it is a part. For example, if the proportion of girls in a high school class is 0.56, it means that the number of girls divided by the total number of students (boys and girls) is 0.56, or that slightly more than half of the students are girls.

Proportions are used often in this simulation to calculate changes in a physical quantity, such as the proportion of a plant's biomass lost from frost, usually by multiplying the proportion times some potential amount. For example, if a plant with 30 grams of biomass is affected by frost by losing a proportion of 0.56 of its biomass, it will lose 16.8 grams of biomass (and have 13.2 grams, or 0.44 as a proportion, left).

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Updated: March 10, 1999. Questions/comments on site to
Copyright © 1998, 1999 Paul D. Fernhout & Cynthia F. Kurtz.