Margin of Error

Statistics for a World That Needs Better Decisions

Author

Vivek H. Patil, Ph.D.

Published

March 2026

Margin of Error

Statistics for a World That Needs Better Decisions

Welcome to Margin of Error, a book about statistical thinking for business professionals, published by Margin of Error Media.

This book teaches statistical thinking through real stories, real data, and real ethical questions. It is designed for business students and professionals who need to reason under uncertainty and evaluate quantitative claims.

Start with the Preface for how to use this book, or jump to Chapter 1 to begin.

Companion tools: Explore the interactive applications, referenced from chapter callouts throughout the book.

Datasets: All datasets used in the book are available for download as CSV files.