5.17 Time spent using apps on a mobile device. Nielsen has installed, with permission, Mobile Netview 3 on approximately 5000 cell phones to gather information on mobile app usage among adults in the United States. Nielsen reported that 18–24 year olds spend an average of 37 hours and 6 minutes a month using mobile apps.⁴ State the population that this survey describes, the statistic, and some likely values from the population distribution.