For Exercises 39–46, assume the regression requirements are met. Test for the linear relationship between and , using level of significance .
videogamereg
42. Video Game Sales. The Chapter 1 Case Study looked at video game sales for the top 30 video games. The following table contains the total sales (, in game units) and weeks on the top 30 list of five randomly chosen video games.
| Video game | Weeks | Total sales |
|---|---|---|
| Super Mario Bros. U for WiiU | 78 | 1,690,689 |
| NBA 2K14 for PS4 | 27 | 608,899 |
| Battlefield 4 for PS3 | 29 | 911,687 |
| Titanfall for Xbox One | 10 | 1,150,856 |
| Yoshi's New Island for 3DS | 10 | 172,680 |