How to find lower outlier boundary?
Understand the Problem
The question is asking how to calculate the lower boundary for outliers in a dataset, likely using statistical methods such as the interquartile range (IQR). This involves determining quartiles and applying a formula to identify values that fall below the lower outlier threshold.
Answer
Q1 - 1.5 * IQR
The final answer is Q1 - 1.5 * IQR
Answer for screen readers
The final answer is Q1 - 1.5 * IQR
More Information
The 1.5 * IQR rule is commonly used to detect outliers by identifying values that fall significantly outside the expected range in a dataset.
Tips
Ensure accurate calculation of quartiles and correct application of the IQR multiplier to prevent mistakes.
Sources
- The web page with info on - Example Source - study.com
- Calculate Outlier Formula: A Step-By-Step Guide - articles.outlier.org
- Identifying outliers with the 1.5xIQR rule (article) - Khan Academy - khanacademy.org
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