How has the length of popular movies changed over time?
Lately it seems that popular movies have gotten longer and longer. In fact, the average top-grossing movie’s runtime has steadily increased over the past 30 years. Why might this be, and will that trend continue in the future?
In this lesson students use scatterplots to examine linear and nonlinear patterns in data and make predictions about the future. They also bump up against some limitations of the linear model and the dangers of extrapolation.
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