Hours Spent Watching Television According to Nielsen Media Research, children (ages 211) spend an average of 21 hours 30 minutes watching television per week while teens (ages 1217) spend an average of 20 hours 40 minutes. Based on the sample statistics obtained below, is there sufficient evidence to conclude a difference in average television watching times between the two groups? Use a _ 0.01. Children Teens Sample mean 22.45 18.50 Sample variance 16.4 18.2 Sample size 15 15 Source: Time Almanac.

Chapter 1 Throughout the semester, we will learn methods to address questions such as these. To get started, we need to learn some basic vocabulary. -Subject: entities that we measure in a study -Variable: any characteristic that is observed for the subject in a study -Population: a set of all subjects of interest -Sample: the set of subjects for which we have data **We...