Mathematics, 30.07.2019 23:00 tonyanayy
Aradio station sent a letter in the mail to 1000 randomly chosen residents within its broadcast area. the letter contained one dollar and a survey. the survey asked recipients to track their radio habits over a week. the survey was to be filled out and sent back in to the radio station. identify a problem with the study. a) some of the sample data are missing c) the data are based on reported results d) the correlation between the variables implies causality
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Aradio station sent a letter in the mail to 1000 randomly chosen residents within its broadcast area...
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