A Study Is Under Way in Yosemite National Forest to Determine

question 137

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 population from which the study was sampled.

• 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:

AVC

Average Variable Cost represents the variable costs (like materials and labor) associated with producing each unit of output.

ATC

Average Total Cost, the total cost of production divided by the quantity of output produced, encompassing both fixed and variable costs.

MC

Short for Marginal Cost, it refers to the change in total cost that arises when the quantity produced is incremented by one unit.

MR

Marginal Revenue, the additional income that is gained from selling one more unit of a good or service.