SPSS, (Statistical Package for the Social Sciences), is a data management and analysis product produced by SPSS, Inc., featuring modules for statistical data analysis, including descriptive statistics such as plots, frequencies, charts, and lists, as well as sophisticated inferential and multivariate statistical procedures like analysis of variance (ANOVA), factor analysis, cluster analysis, and categorical data analysis.
Brandeis students, faculty, and staff can download SPSS from ITS' online software portal
IBM SPSS Essentials by 
SPSS Statistics Workbook for Dummies by The UCLA Academic Technology Services SPSS page offers very useful materials, exercise and links to web books on SPSS, among other resources.