An Experimenter Examines the Level of Noise in a School

question 3

Multiple Choice

An experimenter examines the level of noise in a school bus full of children under the following conditions: baseline, rock music, baseline, classical music.  In this experiment, the dependent variable is:

• A) Time
• B) The number of children on the bus
• C) The level of noise
• D) The type of music

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Definitions:

Cross Price Elasticity

A gauge of the responsiveness in the demand for a specific product due to fluctuations in the pricing of another product.

Midpoint Method

A technique used in economics for calculating elasticity by averaging the starting and ending prices and quantities.

Cross-Price Elasticity

Measure of how the quantity demanded of one good responds to a change in the price of another good.

Positive

Affirmative, constructive, or based on factual data; often used in reference to positive statements in economics which describe the world as it is, rather than how it should be.