EXAMPLE 12 Generating a random sample using technology
Video Game Sales
Recall the top 30 best-selling video games in the United States for the week of May 17, 2014, shown in Table 3 on page 8; use the TI-83/84, Excel, Minitab, or SPSS to generate a random sample of 7 video games from this list.
Solution
We used the instructions provided in the Step-by-Step Technology Guide at the end of this section (page 30) to create four random samples, listed below. Note that each random sample is different, as yours will be.
| Random sample 1 using the TI-83/84 | Random sample 2 using Excel |
|---|---|
| 28. Nintendo Land for Wii U | 3. Kirby: Triple Deluxe for 3DS |
| 7. Bound by Flame for PS4 | 17. Battlefield 4 for Xbox 360 |
| 25. Yoshi's New Island for 3DS | 16. Borderlands 2 for PSV |
| 6. Call of Duty: Ghosts for Xbox 360 | 5. Titanfall for Xbox One |
| 4. MLB 14 The Show for PS4 | 25. Yoshi's New Island for 3DS |
| 2. Minecraft for Xbox 360 | 24. Super Mario 3D World for Wii U |
| 20. inFamous: Second Son for PS4 | 28. Nintendo Land for Wii U |
22
| Random sample 3 using Minitab | Random sample 4 using SPSS |
|---|---|
| 23. Spiderman 2 for PS4 | 22. NBA 2K14 for Xbox 360 |
| 25. Yoshi's New Island for 3DS | 28. Nintendo Land for Wii U |
| 24. Super Mario 3D World for Wii U | 18. Forza Motorsport 5 for Xbox One |
| 30. NBA 2K14 for PS4 | 8. Pokemon X/Y for 3DS |
| 15. Call of Duty: Ghosts for PS3 | 2. Minecraft for Xbox 360 |
| 9. Titanfall for Xbox 360 | 4. MLB 14 The Show for PS4 |
| 13. Super Luigi U for Wii U | 7. Bound by Flame for PS4 |
NOW YOU CAN DO
Exercises 7–10.