Consider the Following to Answer the Question(s) Below

question 23

Essay

Consider the following to answer the question(s) below:
A sales manager was interested in determining if there is a relationship between college GPA and sales performance among salespeople hired within the last year. A sample of recently hired salespeople was selected and the number of units each sold last month was recorded. Relevant data appear in the table below.
Below are the scatterplot, regression results, and residual plots for these data.
-Are the assumptions/conditions for regression and inference satisfied? Explain.

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Definitions:

Marginal Revenue Productivity

The additional revenue generated by employing one more unit of a given resource or factor of production.

Elastic Product Demand

A situation where the demand for a product is sensitive to changes in price, meaning small price changes can cause large changes in quantity demanded.

Economic Profits

Profits that exceed the opportunity costs of all resources employed by the firm, reflecting earnings above the normal expected return.

Inputs Prices

The cost of the resources used in the production process, including raw materials, labor, and overhead.