Question: The following data represent the time, in minutes, that a patient has to wait during 12 visits to a doctors office before being seen by

The following data represent the time, in minutes, that a patient has to wait during 12 visits to a doctor’s office before being seen by the doctor:

17 15 20 20 32 28 12 26 25 25 35 24 Use the sign test at the 0.05 level of significance to test the doctor’s claim that the median waiting time for her patients is not more than 20 minutes.

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