SparkChartsTM—created by Harvard students for students everywhere—serve as study companions and reference tools that cover a wide range of college and graduate school subjects, including Business, Computer Programming, Medicine, Law, Foreign Language, Humanities, and Science. Titles like How to Study, Microsoft Word for Windows, Microsoft Powerpoint for Windows, and HTML give you what it takes to find success in school and beyond. Outlines and summaries cover key points, while diagrams and tables make difficult concepts easier to digest. This four-page chart covers: Descriptive statistics Probability theory Permutations and combinations Random variables and probability distributions Graphs of correlation and standard distribution Interval estimation based on a single sample Tests of hypothesis based on a single sample Interval estimation based on two samples Simple linear regression Multiple linear regression