In Problem 13.10 on page 494, you used YouTube trailer views to predict movie weekend box office gross from data stored in Movie. Use the results of that problem.
A box office analyst seeks to predict opening weekend box office gross for movies. Toward this goal, the analyst plans to use YouTube trailer views as a predictor. For each of 66 movies, the YouTube trailer view count, the number of YouTube trailer views from the release of the trailer through the Saturday before a movie opens, and the opening weekend box office gross (in $millions) are collected and stored in Movie.
Source: Data extracted from “Box Office Report,” available at bit.ly/2srM34F.
a. At the 0.05 level of significance, is there evidence of a linear relationship between YouTube trailer views and movie weekend box office gross?
b. Construct a 95% confidence interval estimate of the population slope, b1.
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