FRatioCI


gives a confidence interval based on an F-ratio distribution with n and m degrees of freedom.

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