A Study Is Under Way in Yosemite National Forest to Determine

question 175

Multiple Choice

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 sample in the study.

• A)The 250 randomly selected adult American pine trees.
• B)The 25,000 adult American pine trees in the forest.
• C)All the adult American pine trees taller than 60 feet.
• D)All American pine trees,of any age,in the forest.

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Definitions:

Unit of Labor

A measure of work or effort performed by a labor force, often used in assessing productivity or efficiency.

Marginal Revenue Product

The extra income produced by using an additional unit of a resource, such as manpower or investment.

Going Wage

The prevailing wage level for a given job in a specific market or industry, often determined by the balance of supply and demand for labor.

Labor

The deployment of human physical and cognitive efforts towards the creation of goods and the provision of services.