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 ...

Let X1,... ,Xn be a sequence of independent random vectors, such that the first k of this sequence, X1,... ,Xk have a common multivariate normal distribution $N_{p ...

It is counterintuitive that, with a sample of only one value from a normal distribution, one can construct a finite confidence interval of any size for the mean. It goes just as much against standard ...