Classify the hypothesis test as left-tailed, right- tailed, or two-tailed.At one school, the average amount...
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Classify the hypothesis test as left-tailed, right- tailed, or two-tailed.At one school, the average amount of time that tenth-graders spend watching television each week is21.6 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 from the previous mean of 21.6 hours. Right-tailed Two-tailedLeft-tailed
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