[Solution] At one school, the average amount of time that tenth-graders spend watching television each week is 18.4 hours. The principal introduces a campaign
Question: At one school, the average amount of time that tenth-graders spend watching television each week is 18.4 hours. The principal introduces a campaign to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased. Formulate the null and alternative hypotheses for the study described.
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![[See Solution] Steven collected data from 20](/images/solutions/MC-solution-library-69826.jpg "[See Solution] Steven collected data from 20 college students on")
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