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A national restaurant chain is composed of 6500 restaurants, each of which is located in close proximity to an interstate highway. The restaurant's business strategy is to serve its core customer base: people travelling on the interstate highway system who are looking for a quality dining experience. Customers generally enjoy the restaurant chain's menu, atmosphere, and consistency from restaurant to restaurant. The company's leadership, located at corporate headquarters, is very interested in the relationship between the cost of a gallon of gasoline and the company's revenue. Specifically, the company is concerned that if gasoline prices rise in the near future, the company's revenue will decline dramatically. The company's research department recently collected data for analysis in order to support leadership's upcoming discussion of whether the company should expand and diversify to locations away from an interstate highway. Annual revenue gures from a random sample of 150 restaurants were collected. The research division also collected and calculated the average annual cost of gasoline at these 150 restaurants by randomly selecting three gasoline stations near each restaurant. Historical data was then used to calculate the average annual cost of gasoline. The Restaurant Number, Geographic Region, Annual Revenue, Average Cost of Gasoline, Miles from the Interstate, Square Footage and Annual increase in Revenue were collected for these 150 restaurants. StatCrunch Data Set Corporate headquarters wants to create a simple linear regression model to predict a restaurant's annual revenue using the average cost of gasoline. First create a scatterplot using Average Cost of Gasoline as the independent variable and Annual Revenue as the dependent variable. After performing a visual analysis of the scatterplot, if appropriate, construct a simple linear regression model using the average cost of gasoline to predict a restaurant's annual revenue. What is the correlation coefcient between Average Cost of Gasoline and Annual Revenue? D (Round to two decimal places as needed.)