spreadsheet: Excel, on-line at Google
Example of data visualization: a 20-minute video
applet for one-variable statistics, calculator in Microsoft Windows
video clip: Normal Distributions, example
applet: Normal Curve Density
Assignment: Chapter 5 Exercises No. 2, 5, 7, 13--16, 19, 21, 23, 33, 39, 45, 49.