Researchers studied how accurately a movie's box office gross can be predicted before its release. [Source: Simonoff, J. S., & Sparrow, I. R. (2000). Predicting movie grosses: Winners and losers, blockbusters and sleepers. Chance, 13(3), 15-25.] For a sample of movies, data were collected on the following variables: Box Office Revenue (in dollars) Runtime (in minutes) Genre (1 = action, 2 = children's, 3 = comedy, 4 = documentary, 5 = drama, 6 = horror, 7 = science fiction, 8 = thriller) Production Budget (in dollars) Sequel (0 = not a sequel, 1 = sequel) Recognizing the measurement scale of the data collected on each variable is important because the type of data dictates the appropriate data summary methods and statistical procedures