Assumption about the population distribution

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According to a study from a college newspaper, the average American college student spends 60 minutes on Facebook daily. To test the validity of this statement, you select a random sample of 30 Facebook users at your college. The results for the time spent on Facebook per day (in minutes) are stored in the excel workbook named Facebook Time.

a) Is there evidence that the population mean time spent on Facebook per day is different from 60 minutes? Use the p-value approach and a level of significance of 0.05.

b) What assumption about the population distribution is needed if the sample size is smaller than 30?

Reference no: EM133051185

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