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Sheela4875 Sheela4875
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7 years ago
The sample standard deviation is a biased estimator of the population standard deviation. When using sample means as estimators, we correct for bias in the formula for finding confidence intervals by
 
  a. using N - 1 rather than N
  b. using N rather than N - 1
  c. using s rather than Z
  d. squaring the value of Z
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7 years ago
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