This document provides an introduction to statistics, including definitions, objectives, functions, scope, and limitations. It defines statistics as the science of collecting, analyzing, and interpreting quantitative data. The objectives of statistics include making sense of large data sets and using data to forecast trends and examine changes. Statistics has broad applications across government, business, economics, science and other fields. However, it also has limitations such as ignoring qualitative factors and not revealing all details. The document also outlines the steps involved in a statistical investigation, including planning and executing a study.