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if a sample of 21 runners were taken from a population of 580 runners, could refer to the mean of how many runners' times? A. 21 B. 580 C. Neither 21 nor 580 D. Both 21 and 580
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if a sample of 21 runners were taken from a population of 580 runners, could refer to the mean of how many runners' times? A. 21 B. 580 C. Neither 21 nor 580 D. Both 21 and 580

User Niki Tonsky
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5 votes
The correct answer is B. 580.
User NorahKSakal
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