ChiSquareCI

ChiSquareCI[var,df]
gives a confidence interval based on a distribution with df degrees of freedom.

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  • To use ChiSquareCI, you first need to load the Hypothesis Testing Package using Needs["HypothesisTesting`"].
  • ChiSquareCI[var,df] gives a confidence interval for a population variance estimated by var.
  • For confidence level , and where is the ^(th) quantile of a distribution with degrees of freedom.
  • ChiSquareCI is the confidence interval for a population variance based on a sample variance var estimated from a sample of size .
  • The following option can be given:
  • ConfidenceLevel0.95probability associated with a confidence interval
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