This article, created by authors B.C. Lyon and M.W. Maxfield of Louisiana Tech University, describes a hands-on class activity for understanding the bivariate normal distribution by constructing a three-dimensional...

Using cooperative learning methods, this lesson introduces distributions for univariate data, emphasizing how distributions help us visualize central tendencies and variability. Students collect real data on head...

This site, created by Michelle Lacey of Yale University, give a definition and an example of boxplots. Topics include outliers, medians, as well as lower and upper quartiles. The author addresses the possible uses of...

This applet, created by Kevin O'Bryant of the University of California - San Diego, illustrates the code breaking process entitled "Rectangular Transposition Encryption System." This interactive resource is fun, but...

An investigation of the problem: Consider a plane, ruled with equidistant parallel lines, where the distance between the lines is D. A needle of length L is tossed onto the plane. What is the probability that the needle...