Mathematics, 01.09.2019 02:30, stace49

You want to determine the average number of text messages that students at your school send in a month you want to collect data from a random sample of at least 200 students which of these would be the most valid method for collecting data?
hand out and collect surveys in all of the freshman homerooms
hand out and collect surveys at a football game
hand out and collect surveys from all of the teachers
hand out and collect surveys from students in the hallways

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You want to determine the average number of text messages that students at your school send in a mon...