Question: Sign test for time using smartphone. Example 7.1 (page 361) gives data on the daily number of minutes eight students at your institution use their

Sign test for time using smartphone. Example 7.1 (page 361) gives data on the daily number of minutes eight students at your institution use their smartphones. Is there evidence that the median amount of minutes is less than 120 minutes

(2 hours)? State the hypotheses, carry out the sign test, and report your conclusion.

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