At one school, the average amount of time that tenth-graders spend watching television each week is 15.5 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 changed

At one school, the average amount of time that tenth-graders spend watching television each week is 15.5 hours. The principal introduces a campaign to encourage the students to watch less television....

At one school, the average amount of time that tenth-graders spend watching television each week is 15.5 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 changed

Jun 11, 2022