Merge pull request #978 from GANESH-NADKARNI/main

Add explanation on importance of data quality in ML

1-Introduction/1-intro-to-ML/README.md

@@ -101,6 +101,11 @@ This motivation is loosely inspired by how the human brain learns certain things
 
 ✅ Think for a minute why a business would want to try to use machine learning strategies vs. creating a hard-coded rules-based engine.
 
+---
+## Why data quality matters
+
+High-quality data improves model performance. Poor or noisy data can lead to inaccurate predictions, even when using advanced machine learning algorithms.
+
 ---
 ## Applications of machine learning