This preview shows page 1. Sign up to view the full content.
Unformatted text preview: d) all American pine trees, of any age, in the forest ANSWER: b TYPE: MC DIFFICULTY: Moderate KEYWORDS: population, sample 3. 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 ANSWER: b TYPE: MC DIFFICULTY: Easy KEYWORDS: data, sampling...
View Full Document
This note was uploaded on 02/14/2011 for the course ECON 100 taught by Professor Mmm during the Spring '11 term at Allen University.
- Spring '11