Interactive 1.5*IQR Outlier Detector (Upload Your Data)

Upload Your Data File (One Column of Numbers, No Symbols, No Header)

Want to take this analysis further? If you work in Excel, you can automate the entire 1.5×IQR process — including Q1, Q3, IQR, and outlier flagging — using the Interactive Statistics Education Add‑In. It’s built for analysts, students, and educators who want fast, transparent statistical workflows without writing formulas from scratch. Explore the add‑in and download it here: Interactive Statistics Education Add‑In

Interested in how these techniques apply to real Toronto civic data?
Visit We Protect Toronto for examples →

Note: The data analysis tools featured in the top-left corner of this blog were originally built using a custom Excel VBA outlier-detection process. I now refine and extend these tools using Microsoft Copilot to accelerate development and improve automation.