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 ...

Excel dashboards have become an indispensable tool for professionals seeking to make data-driven decisions by consolidating key metrics and trends into a single, interactive, and visually appealing ...

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 ...