Free 1.5×IQR Statistical Outlier Rule Template for Excel

Free 1.5×IQR Statistical Outlier Rule Excel Template

Download the Free 1.5×IQR Statistical Outlier Rule Excel Template to quickly identify outliers, visualize distributions, and understand how the IQR method segments your data. The workbook includes sample data, allowing you to explore the tool immediately and see how the 1.5×IQR rule works in practice.

After downloading, be sure to mark the file as a trusted document and enable macros so Excel can run the built‑in VBA code safely and correctly.

How to Use the Free IQR Outlier Template

1. Open the workbook after downloading.

2. In the top‑left corner of Excel, click the “Macros” button.

3. Run the outlier macro and follow the on‑screen instructions.

The macro will automatically:

• Apply the 1.5×IQR Statistical Outlier Rule

• Identify statistically high and low outliers

• Generate visualizations

• Produce a descriptive statistics summary

This free template gives you a clear preview of how the full 1.5×IQR Statistical Outlier Rule Excel Add‑In segments, analyzes, and visualizes a single column of data.

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.