Doug Wintemute is a staff writer for Forbes Advisor. After completing his master’s in English at York University, he began his writing career in the higher education space. Over the past decade, Doug ...

The Pareto Principle, also known as the 80-20 rule, is a powerful concept that can transform your approach to data analysis. This principle states that roughly 80% of effects come from 20% of causes.

A full Excel project brings the most important beginner skills together in one practical workflow, showing how raw spreadsheet data can be cleaned, organized, analyzed, and turned into a clear final ...