Excel Box and Whisker Plots: Outliers, Quartiles & INC vs. EXC Explained

Master Box and Whisker charts in Excel while uncovering the hidden math behind statistical functions! In this comprehensive tutorial, we break down exactly how Excel calculates quartiles, sets upper and lower fences, and handles statistical outliers.If you've ever wondered why your manual calculations don't match Excel's output, this video reveals the critical difference between QUARTILE.INC (Inclusive) and QUARTILE.EXC (Exclusive) using linear interpolation.In this tutorial, you’ll learn: 📊 How to insert and format a professional Box and Whisker plot in Excel 🔢 The mathematical difference between QUARTILE.INC and QUARTILE.EXC ($n-1$ vs. $n+1$ interpolation) 📐 How Excel calculates the median and interquartile range (IQR) 🛑 Step-by-step instructions for calculating Upper and Lower Fences to identify statistical outliers