# Fun

• ### Joke: Walking into a bar

an old "walks into a bar" joke with a statistics twist.

• ### Writing Learning Objectives

This short article gives a basic outline of Bloom's Taxonomy and writing learning objectives. It includes a brief description of what types of verbs to use in writing learning objectives and links these verbs to the levels of Bloom's Taxonomy.
• ### Quote: Churchill on Statistics

The only statistics you can trust are those you falsified yourself is a quote attributed to former British Prime Minister Sir Winston Churchill (1874 - 1965). However scholars at the Churchill Centre (www.winstonchurchill.org) can not find this quote in any of Winston Churchill's books, articles, or speeches.
• ### Against All Odds: 12. Correlation

In this free online video program, "students will learn to derive and interpret the correlation coefficient using the relationship between a baseball player's salary and his home run statistics." The students will then "discover how to use the square of the correlation coefficient to measure the strength and direction of a relationship between two variables. A study comparing identical twins raised together and apart illustrates the concept of correlation."
• ### Sampling Methods

This site briefly defines several different types of sampling methods, contrasts probability and nonprobability sampling, and discusses target population. Part of a tutorial on questionnaire and survey design.
• ### The Two-Dimensional Random Walk

This is the description and instructions for the Two-Dimensional Random Walk applet. This Applet relates random coin-flipping to random motion but in more than one direction (dimension). It covers mean squared distance in the discussion.
• ### The Anthill and Molecular Motion

This is the description and instructions for the the Anthill and Molecular Motion applet. Topics include mixing, diffusion, and contour plots.
• ### Sampling Distribution Generator for Sample Mean Differences

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.

• ### t-Distribution Generator

Generate a graphic and numerical display of the properties of the t-distribution for values of df between 4 and 200, inclusive.

• ### "Probability by Surprise" Applets

A collection of several applets related to probability.