The Pennsylvania State University © 1997

Dynamic Visualization
of
Statistical Concepts

Overview

The Penn State Department of Statistics is developing a collection of Toolbook modules that illustrate elementary statistical concepts.  The modules encourage the interactive exploration of concepts. The modules can be used either in a lecture setting or a group lab setting. Screens are designed so that they can be seen in a large classroom equipped with a computer projection system.  Present drafts of several modules can be seen using links below.
 

Required Plug-in

The Neuron plug-in from Asymetrix is needed to view the modules.  The Penn State CAC network already has this plug-in so Penn State CAC users won't have to download the plug-in. If you don't have the plug-in, here's a link to Download Neuron.   After the plug-in is installed,  the modules can be run using the links below.

Modules

  • Power.     A demonstration of how power is affected by sample size, significance level, and the difference between the "actual" mean and the null mean.
  • Normal Curve Models.   A module illustrating central areas and percentiles for normal curves.  Streaks and Randomness.  An examination of the length of the longest run of consecutive identical results in 25 flips of a coin.
  • Comparisons and P-values.  An introduction to the ideas of inference. A two sample permutation test is used to illustrate p value and sampling distribution
  • A Roulette Simulation    A look at repeated plays of bets on a specific number as well as bets on a color.
  • Streaks and Randomness.   An examination of the length of the longest run of consecutive identical results in 25 flips of a
  • coin.
  • The Birthday Matching Problem.     A simulation of the birthday matching problem.
  • A simple sampler for coin flips and die tosses.    Primitive sampler for looking at results from either 10 or 100 flips of a coin as well as ten tosses of a fair die.
 The modules were programmed and designed by Bob Heckard. The ideas were generated in regular meetings among PSU department members Bill Harkness, Bob Heckard, Tom Hettmansperger, Jim Rosenberger, and Tom Ryan.

This page prepared by Bob Heckard , rho@stat.psu.edu
Last updated August 6, 2000