Other Sites


  1. What is it?
  2. The standard normal distribution
  3. Why is it important?
  4. Converting to percentiles and back
  5. Area under portions of the curve
  6. Exercises

precision consulting

Click here for more cartoons by Ben Shabad.

Java program
by David Lane

JavaScript program
by John Pezzullo

CGI program
by Jan de Leeuw

Instructional Demos

Normal approximation to binomial
by David Lane

Sampling Distribution Simulation
Rice Virtual Lab in Statistics

Normal distribution movie, Interactive graph of normal distribution
by Berrie Zielman

Central limit theorem
by Berrie Zielman

by The Center for Technology and Teacher Education, University of Virginia

The Normal Curve, the Central Limit Theorem, and Markov's and Chebychev's inequalities for random variables
P. B. Stark

The normal curve, Central limit theorem, Normal approximation to binomial
by H. J. Newton, J. H. Carroll, N. Wang, and D. Whiting

Models of distributions, Normal curve
by David Stockburger

The normal distribution: The school mathematics project
by Chris Belsom et al.

Statistics for the Utterly Confused
by Lloyd Jaisingh

Forgotten Statistics : A Self-Teaching Refresher Course
by Jeffrey Clark

Chances Are : The Only Statistics Book You'll Ever Need
by Stephen Slavin

The Cartoon Guide to Statistics
by Larry Gonick and Woollcott Smith

Schaum's Outline of Theory and Problems of Elements of Statistics I: Descriptive Statistics and Probability
by Stephen Bernstein and Ruth Bernstein

Statistics the Easy Way
by Douglas Downing and Jeffrey Clark (Contributor)

Statistics You Can't Trust : A Friendly Guide to Clear Thinking About Statistics in Everyday Life
by Stephen Kent Campbell, Steve Campbell, Mark V. Hall (Illustrator)

Statistics : Cliffs Quick Review
by David H. Voelker, Peter Z. Orton

Fundamental Statistics for the Behavioral Sciences with CDRom
by David Howell