Question: A candy bar manufacturer is interested in trying to estimate how sales are influenced by the price of their product. To do this, the company randomly chooses 6 small cities and offers the candy bar at different prices. Using candy bar sales as the dependent variable, the company will conduct a simple linear regression on the data below:

Using the table above solve for the following questions:

What is the estimated average change in the sales of the candy bar if price goes up $1.00? What percent of the total variation in candy bar sales is explained by prices?