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Mathematics, 16.02.2020 11:16 deehunchoo
To find the average income of an adult in the United States, 250 workers in Tennessee are questioned.
No; the sample is not selected from the population to be studied.
No; the sample is not random.
Yes; the sample is selected at random from the population to be studied.
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To find the average income of an adult in the United States, 250 workers in Tennessee are questioned...
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