DField4788 DField4788

08-04-2024
Mathematics

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Which of the following is true about the sample standard deviation (as opposed to the sample estimate of the population SD)?
1) It is a biased estimate of the population SD; it overestimates the population SD
2) It is an unbiased estimate of the population SD; it underestimates the population SD
3) It is an unbiased estimate of the population SD; it overestimates the population SD
4) It is a biased estimate of the population SD; it underestimates the population SD

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