Statistics Introduction

Summary of important terms used in probability.

This is an introduction to basic statistics, including explanations of Correlation, Regression, Types of Data, Measures of Variability, and Central Tendency, Regression Analysis as well as practical uses of Regression and testing whether a regression estimation is valid. The notes are neat, colourful and interesting and include relevant formulae.

This note introduces random variables, Probability Mass Functions, Probability Density Functions and Poisson Distributions as well as confidence intervals, hypothesis testing and using t, z, and p values. The notes are clear and colourful and include all necessary formulae, diagrams and useful descriptions.

This note gives an outline of how to use P-values for significance testing, as well as using the Chi-Squared test of Independence. The note includes methods, formulae and easy, colourful and neat descriptions which make learning statistics easy!

This is a summary of beginner to intermediate level statistics, usually covered in First Year. The notes are divided by chapter and have clear, detailed and colourful descriptions of each topic, including formulae, definitions etc. They are specifically designed for use by Wits First Year students but cover work widely taught at high school and university statistics.