A study is under way in Yosemite National Forest to determine the adult height of American pine trees.Specifically,the study is attempting to determine what factors aid a tree in reaching heights greater than 60 feet tall.It is estimated that the forest contains 25,000 adult American pines.The study involves collecting heights from 250 randomly selected adult American pine trees and analyzing the results.Identify the variable of interest in the study.
A)The age of an American pine tree in Yosemite National Forest.
B)The height of an American pine tree in Yosemite National Forest.
C)The number of American pine trees in Yosemite National Forest.
D)The species of trees in Yosemite National Forest.

Question

Quizplus · Accepted Answer

The variable of interest in the study is the height of an American pine tree in Yosemite National Forest, specifically those that reach heights greater than 60 feet tall. This is the specific characteristic that the study is trying to understand and analyze. The other options (A, C, D) may be relevant to other aspects of the forest, but they are not the focus of this particular study.

A Study Is Under Way in Yosemite National Forest to Determine