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Mathematics, 22.06.2019 13:30 Nannie60

Alvin wants to know how much time his friends spend watching television compared to the population in terms of the number of hours watched during a single week. he collects the data from nine of his friends. the average time his friends spend watching television in a week is 28 hours, with a standard deviation of 9. he knows that the population mean is 34. what is the standard error? (answer using two decimal places.)

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