A FiveThirtyEight.com article reports that "Horror movies get nowhere near as much draw at the box office as the big-time summer blockbusters or action/adventure movies ... but there's a huge incentive for studios to continue pushing them out. The return-on-investment potential for horror movies is absurd." To investigate how the return-on-investment compares between genres and how this relationship has changed over time, an introductory statistics student fit a model predicting the ratio of gross revenue of movies from genre and release year for 1,070 movies released between 2000 and 2018. Using the plots given below, determine if this regression model is appropriate for these data.

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600- 400- 200- 0 -20 0 20 40 Residuals 60 80 100 Residuals 75 50 25 0---- 2.5 • 5.0 7.5 Fitted values 10.0 1. Genre . • Action Adventure • Comedy · Drama • Horror