The following residual plot is obtained after a regression equation is determined for a set of data. Does the residual plot suggest that the regression equation is a bad model? Why or why not? 
Definitions:
Price Discrimination
A pricing strategy where a seller charges different prices for the same product or service to different customers, based on various factors not related to costs.
Market
A system or environment where buyers and sellers interact to trade goods, services, or information.
Pricing
The process of determining the monetary value at which goods and services will be sold.
Psychographic Measures
Tools or methods used to assess and analyze the psychological attributes of individuals, such as interests, values, and lifestyles.
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