Created by Alan Heckert and James Filliben, this part of the National Institute of Standards and Technology (NIST) Engineering Statistics handbook describes different graphs and plots used in exploratory data analysis....

Using cooperative learning methods, this activity provides students with twenty-four histograms representing distributions with differing shapes and characteristics. By sorting the histograms into piles that seem to go...

Created by David Lane of Rice University, this applet demonstrates how a histogram is affected by bin width and starting point of first bin. It also illustrates cross-validation criterion for assessing histograms. The...

HotBits is a genuine random number generator powered by radioactive decay. Simply click the "Request HotBits" link, and specify how many bytes you would like (up to 2048) and in what form you prefer them. Hexadecimal...

This classroom example illustrates the concept that estimators are random variables. The example makes use of the classic problem of estimating the size of a population by observing serial numbers, specifically...