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.

---

Definitions:

Diamond

A naturally occurring gemstone composed of carbon, known for its hardness and brilliance, often used in jewelry.

Marginal Analysis

The examination of the costs and benefits of a small (marginal) change in the production of goods or services.

Wheat Farmer

An individual or entity engaged in the cultivation of wheat crops for consumption or sale.

Fertilizer

A chemical or natural substance added to soil to increase its fertility and enhance plant growth.