wiisales
39. Wii Game Sales. The following table represents the number of units sold in the United States for the week ending March 26, 2011, for a random sample of eight Wii games.24 The normality of the data was confirmed in the Section 8.1 exercises. Construct and interpret a 99% confidence interval for .
| Game | Units (1000s) |
Game | Units (1000s) |
|---|---|---|---|
| Wii Sports Resort | 65 | Zumba Fitness | 56 |
| Super Mario All Stars | 40 | Wii Fit Plus | 36 |
| Just Dance 2 | 74 | Michael Jackson | 42 |
| New Super Mario Brothers |
16 | Lego Star Wars | 110 |
8.4.39
(16.86, 76.33). We are 99% confident that the population standard deviation lies between 16.86 thousand units and 76.33 thousand units.