Online Analysis of Data
Basic Descriptive Statistics
An online spreadsheet that uses Java to calculate all kinds of statistics and draw graphs.
Normal Curve Areas
The best online JAVA program for normal curve areas
Courtesy of the Instituut voor Fonetische Wetenschappen in Amsterdam
Confidence Intervals on a Proportion
Confidence Intervals on a Correlation
Confidence Intervals on a Mean
Confidence Intervals on the Difference of Two Independent Means
Hypothesis Test of a Proportion
Hypothesis Test of a Mean
Hypothesis Test of the Difference Between Two Independent Means
Hypothesis Test of the Difference Between Two Dependent Means
Here is a variety of statistical procedures online from : Instituut voor Fonetische Wetenschappen in Amsterdam
Here are a huge number of links to online statistics calculators that can make life considerably easier at times.