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It's easy to measure the circumference of a tree's trunk, but not so easy to measure its height. ...

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It's easy to measure the circumference of a tree's trunk, but not so easy to measure its height. ...

It's easy to measure the circumference of a tree's trunk, but not so easy to measure its height. Foresters developed a model for ponderosa pines that they use to predict the tree's height (in feet) from the circumference of its trunk (in inches): ln

= -1.2 + 1.4(ln C). A lumberjack finds a tree with a circumference of 60"; how tall does this model estimate the tree to be?

▸ 5'

▸ 93'

▸ 11'

▸ 19'

▸ 83'

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Stats: Modeling the World

Edition: 4^th

Authors: Bock, Velleman, De Veaux

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