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Mathematics, 16.11.2019 04:31 gissellesolorza
Astudent organization plans to ask 100 randomly selected students how much they spent on textbooks last semester. you argue for a sample of 900 students instead of 100. you know that the standard deviation of the sample mean x of the amounts spent will be times as large with the larger sample. what should the blank "" be: 1) three2) one-ninth3) one-third4) nine
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