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 ...

The end points of a confidence interval for the noncentrality parameter of noncentral χ 2 or F are identified as upper and lower percentage points of a distribution. It is shown how these can be ...

This example illustrates how you can use shorthand commands to plot the dependent variable, the predicted value, and the 95% confidence or prediction intervals against a regressor. The following ...

In this article, we consider problems with correlated data that can be summarized in a 2 x 2 table with structural zero in one of the off-diagonal cells. Data of this kind sometimes appear in ...