gives a confidence interval based on a normal distribution.


  • To use , you first need to load the Hypothesis Testing Package using Needs["HypothesisTesting`"].
  • gives a confidence interval centered at μ based on a normal distribution with mean μ and standard deviation σ.
  • 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