Mathematica 9 is now available
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT.
SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION.
Wolfram Mathematica Documentation Center
DOCUMENTATION CENTER SEARCH
New to Mathematica? Find your learning path »
Hypothesis Testing Package >
HYPOTHESIS TESTING PACKAGE SYMBOLTutorials »|See Also »|More About »

MeanCI

MeanCI[list]
gives a confidence interval for the population mean estimated from list.
MORE INFORMATION
  • MeanCI[list] gives a confidence interval centered at Mean[list].
  • If the variance is assumed known, is based on the normal distribution.
  • If the variance is not assumed known, is based on Student's t distribution with Length[list]-1 degrees of freedom.
  • The following options can be given:
ConfidenceLevel0.95probability associated with a confidence interval
KnownVarianceNonevariance of population
EXAMPLESCLOSE ALL
Basic Examples   (1)
A 95% confidence interval for the population mean:
Needs["HypothesisTesting`"]
A 95% confidence interval for the population mean:
In[2]:=
Click for copyable input
Out[2]=
Options   (2)
A 99% confidence interval:
A 95% confidence interval assuming the population variance is 1:
Ask a question about this page  |  Suggest an improvement  |  Leave a message for the team
Format:   HTML  |  CDF