an old "walks into a bar" joke with a statistics twist.
an old "walks into a bar" joke with a statistics twist.
This page generates a graph of the sampling distribution of the difference between two means and displays the probabilities associated with that distribution. Users enter the population standard deviation and the sample sizes, Na and Nb. The applet also calculates the standard error of the sample mean difference.
Generate a graphic and numerical display of the properties of the t-distribution for values of df between 4 and 200, inclusive.
A collection of several applets related to probability.