This applet allows users to drag sliders to change the confidence level and sample size. The applet helps users visualize the meaning of the phrase "C% confidence," by showing that C% of the samples ...

Journal of Agricultural, Biological, and Environmental Statistics, Vol. 1, No. 1 (Mar., 1996), pp. 131-140 (10 pages) In recent years, more robust methods of estimating the size of a closed population ...

This short note points out estimators of the mean, median, and the associated confidence intervals of the Kaplan-Meier product limit estimate. Some uses of the estimator of the mean are described. In ...

Confidence intervals show the likelihood a data range contains the true mean, aiding investment decisions. A wider interval suggests lower estimate accuracy, influencing market and risk analysis ...