9.15 Adult gamers versus teen gamers. In Exercise 8.67 (page 521), you analyzed data from a study that compared adult gamers with teen gamers with respect to the devices on which they play. The study surveyed 1063 adult gamers and 1064 teen gamers. For the adults, 54% played on game consoles (Xbox, PlayStation Wii, etc.), while 89% of the teen gamers played on game consoles. Your analysis in Exercise 8.67 focused on the comparison of two proportions. Use these data to construct a tw