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Mathematics, 19.12.2019 03:31 mxddisonxo

At one high school, the average amount of time tenth-graders spend watching television each week is 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.

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At one high school, the average amount of time tenth-graders spend watching television each week is...
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