[Solution] A public health specialist collected video game scores from 8 year olds, 10 year olds, and 12 year olds. Of the three age groups winners below
Question:
A public health specialist collected video game scores from 8 year olds, 10 year olds, and 12 year olds. Of the three age groups winners below (Joe, Stella, and Billy), which one was the overall winner? (use z scores).
| 8 year olds | 10 year olds | 12 year olds | |||
| Joe | 28 | Stella | 32 | Billy | 51 |
| Fran | 25 | Dan | 30 | Bob | 49 |
| Jose | 22 | Ann | 26 | Jamal | 45 |
| Beth | 19 | Jim | 23 | Sonny | 42 |
| Steve | 16 | Glenn | 20 | Joyce | 38 |
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