Basic and Professional Editions of The Survey System contains the most commonly used Statistics, such as Percents, Medians, Means, Standard Deviations, Standard Errors, Chi-squares and Differences between Proportions.

However for those with more sophisticated statistical needs, this module adds the following techniques:

• ANOVA - Analysis of Variance (One-way, Two-way, Repeated Measures)
• Correlation (Pearson and Partial)
• Multiple Regression (Standard and Stepwise)
• Descriptive Statistics