Basic Marketing Research 8th Edition by Tom Brown,Tracy Suter,Gilbert Churchill

تمرين 13

A theme park located in the northwestern United States recently conducted a study to determine the distances that its customers were driving to visit the park. Over the course of a week, researchers conducted personal interviews with a random sample of four hundred visitors. The following chart displays the results of the analysis.
a. Convert the above information into percentages.
b. Compute the cumulative percentages.
c. Prepare a histogram with the number of miles traveled on the x -axis and the absolute frequency on the y -axis.