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Population Mean Confidence Interval. For variable X j a confidence interval estimate of its population mean μ j is. Definition taken from Valerie J. Please enter the necessary parameter values and. Sample mean Multiplier Standard error of mean.
McColls Statistics Glossary v11. It means that if the same population is sampled on numerous occasions and interval estimates are made on each occasion the resulting intervals would bracket the true population parameter in approximately 95 of the cases. A confidence interval for a mean is a range of values that is likely to contain a population mean with a certain level of confidence. Confidence intervals are constructed at a confidence level such as 95 selected by the user. A 95 confidence interval CI of the mean is a range with an upper and lower number calculated from a sample. Confidence in statistics is another way to describe probability.
Easton and John H.
Clevel Significant Level α. Please enter the necessary parameter values and. But are we 100 confident that the sample mean is the. Confidence in statistics is another way to describe probability. There is no need for a confidence interval for your sample mean. The result is called a confidence interval for the population mean μ.