It's Easy to Measure the Circumference of a Tree's Trunk $\hat { h } = - 1.2 + 1.4 ( \ln C )$

Multiple Choice

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 $\hat { h } = - 1.2 + 1.4 ( \ln C )$
) ) A lumberjack finds a tree
With a circumference of 60"; how tall does this model estimate the tree to be?

A) 93'
B) 83'
C) 5'
D) 11'
E) 19'