Marc Anthony Concert At a recent Marc Anthony concert, a survey was conducted that asked a random sample of 20 people their age and how many concerts they have attended since the first of the year. The following data were collected: 
An Excel output follows: 
{Marc Anthony Concert Narrative} Plot the residuals against the predicted values 
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Definitions:
Variable Costs
Costs that change in proportion to the level of output produced.
Pure Monopolist
A single seller in a market who has exclusive control over a product or service, facing no competition.
Output
The aggregate quantity of products or services generated by a company, sector, or economic system within a specified timeframe.
Profit-Maximizing
The process or strategy of adjusting production and sale operations to achieve the highest possible profit.
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