Question: A box office analyst seeks to predict opening weekend box office gross for movies. Toward this goal, the analyst plans to use online trailer
A box office analyst seeks to predict opening weekend box office gross for movies. Toward this goal, the analyst plans to use online trailer views as a predictor. For each of the 66 movies, the number of online trailer views from the release of the trailer through the Saturday before a movie opens and the opening weekend box office gross (in millions of dollars) are collected and stored in the accompanying table. Complete parts (a) through (e) below. Opening Weekend Online Trailer Box Office Gross Views (millions) 59.135 10.804 9.618 ($millions) 34.177 4.459 Online Trailer Views (millions) 6.968 34.755 Opening Weekend Box Office Gross ($millions) 0.985 57.827 0.432 3.883 13.356 9.789 22.183 42.895 87.858 86.949 101.484 4.989 34.593 62.975 6.630 4.690 33.377 23.920 16.944 0.942 3.705 6.094 13.482 2.258 4.594 9.946 11.327 1.513 18.470 45.227 35.470 8.966 12.202 6.100 16.100 15.177 4.357 30.646 12.974 13.714 30.436 3.981 1.552 31.231 53.003 58.417 142.692 52.612 46.607 5.115 14.942 16.235 13.003 11.934 11.978 6.884 3.776 13.343 5.682 11.698 18.223 0.957 1.928 2.827 3.471 3.494 3.005 23.075 13.602 2.604 3.110 12.606 40.011 8.660 6.807 0.826 1.385 4.844 1.709 27.536 20.130 31.797 102.437 7.273 3.404 1.828 5.811 3.323 1.207 3.034 12.571 4.267 10.951 10.690 11.196 3.790 8.344 51.979 51.644 7.597 11.614 3.488 1.207 12.912 13.501 30.599 20.694 7.067 5.106 5.706 5.034 5.020 1.985 12.682 10.724 7.739 22.800 60.070 39.182 16.795 13.689 77.967 176.396 7.643 2.080 a. Construct a scatter plot. Choose the correct graph below. A. 100- 200 Opening Gross (Smil) B. 100 200 Opening Gross ($m) b. Assuming a linear relationship, use the least-squares method to determine the regression coefficients b and b. bo by= D. Q 200- 200- Q 100 100 Trailer Views (mil) Trailer Views (m) (Round the value of by to two decimal places as needed. Round the value of b, to three decimal places as needed.) c. Interpret the meaning of the slope, b, in this problem. Select the correct choice below and fill in the answer box to complete your choice. (Round to three decimal places as needed.) A. For each increase of 1 million online trailer views, the predicted opening weekend box office gross is expected to increase by $ million. B. The approximate predicted opening weekend box office gross when the number of online trailer views is 0 is $ million. O C. The approximate online trailer views when the opening weekend box office gross is $0 is million. D. For each increase in opening weekend box office gross of $1 million, the number of online trailer views is expected to increase by d. Predict the mean opening weekend box office gross for a movie that had 8 million online trailer views. The predicted mean opening weekend box office gross will be $ million. (Round to two decimal places as needed.) e. What insights can be obtained about predicting opening weekend box office gross from online trailer views? A. As the mean opening weekend box office increases, the number of online trailer views can be expected to decrease. OB. As the number of online trailer views increases, the mean opening weekend box office gross can be expected to decrease. O C. As the number of online trailer views increases, the mean opening weekend box office gross can be expected to increase. D. There is no relationship between the number of online trailer views and the mean opening weekend box office gross. E. As the mean opening weekend box office increases, the number of online trailer views can be expected to increase. million.
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