In 2026, data analysis roles still depend heavily on two practical tools: Excel for cleaning, checking, and working through business data, and Tableau for turning that data into dashboards people ...

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.

AQ-IQ Mentor Xavier McIntyre explains how to import pod data (from a .txt file) into Excel. How to Import Pod Data into Excel AQ-IQ Mentor Cindy Yang explains how to create a graph without baseline ...

If you use Microsoft Excel on a daily basis you will already know how much of a vital tool it is for spreadsheet data analysis and calculations. However there are several no-code tips and tricks you ...