An automotive company is considering the introduction of a new model of sports car that will be available in four-cylinder and six-cylinder engine types. A sample of customers who were interested in this new model were asked to indicate their preference for an engine type for the new model of automobile. The customers were also asked to indicate their preference for exterior color of the automobile from four choices: red, black, green, and white. Consider the following data regarding the customer responses.
Four cylinder Six cylinder
Red 143 857
Black 200 800
Green 321 679
White 420 580
Required:
a. Construct a clustered column chart with exterior color as the horizontal variable.
b. What can we infer from the clustered bar chart in part a?