sray9547 sray9547
  • 08-02-2024
  • Mathematics
contestada

To make sure that the sample variance is an unbiased estimator of the population variance, statisticians ________?
1) use the formula (n-1)/n
2) use the formula n/(n-1)
3) use the formula (n-1)/(n-2)
4) use the formula n/(n-2)

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