The book provides an introduction to the key methods of descriptive statistics and selected chapters of economic statistics, particularly focusing on index numbers and the measurement of concentration and disparity. The presentation aims for clear terms, comprehensible procedures, and motivation drawn from the social sciences. It includes numerous worked examples, also using real economic data. Instructions for data analysis on the computer using Excel complement the text. The textbook is aimed at students, especially those in the foundational studies of economics and social sciences. It is also suitable for self-study.