=+27. Movie budgets. Here’s a scatterplot of the production budgets (in millions of dollars) vs. the running time (in minutes) for a collection of major movies. Dramas are plotted in red and all other genres are plotted in blue. A separate least squares regression line has been fitted to each group.

For the following questions, just examine the plot:

Budget ($M)

40 80 120 160 75 100 125 150 Run Time (minutes)