gives a confidence interval based on a normal distribution.


  • To use NormalCI, you first need to load the Hypothesis Testing Package using Needs["HypothesisTesting`"].
  • NormalCI[μ,σ] gives a confidence interval centered at μ based on a normal distribution with mean μ and standard deviation σ.
  • NormalCI is the confidence interval for a population mean based on a sample mean μ if the true population variance is known.
  • The following option can be given:
  • ConfidenceLevel0.95probability associated with a confidence interval
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