SAT, 17.03.2021 23:40 pcastaneda03

Watching TV: The 2012 general Social Survey asked a large number of people how much time they spent watching TV each day. The mean number of hours was with a standard deviation of . Assume that in a sample of teenagers, the sample standard deviation of daily TV time is hours, and that the population of TV watching times is normally distributed. Can you conclude that the population standard deviation of TV watching times for teenagers differs from ? Use the level of significance.

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Watching TV: The 2012 general Social Survey asked a large number of people how much time they spent...

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