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November 24, 2014

Homework Help: Hypothesis - Statistics

Posted by Vivian on Saturday, July 28, 2012 at 12:18pm.

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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