Updated Data Analytics information

Added data source details to the file.

Data_Analytics_Introduction.md

@@ -38,3 +38,46 @@ Here’s a categorized list with official download links and why they’re used:
 
 ### 5. [MySQL (Community Server)](https://dev.mysql.com/downloads/mysql/)  
 **Uses:** A popular open-source relational database for storing, managing, and querying structured data efficiently.  
+
+
+# 📊Below are the few Sample Open Data Sources for Practice
+
+### **A. Sales and Retail Data**
+**Dataset:** [Sample Superstore Dataset (Tableau)](https://community.tableau.com/s/sample-superstore-data)  
+**File Type:** Excel (.xls)  
+**Why Used:** Great for practicing **sales performance analysis**, **profit margins**, and **customer segmentation**.
+
+---
+
+### **B. Human Resources (HR) Data**
+**Dataset:** [HR Analytics Dataset (Kaggle)](https://www.kaggle.com/datasets/pavansubhasht/ibm-hr-analytics-attrition-dataset)  
+**File Type:** CSV  
+**Why Used:** Perfect for **employee attrition**, **demographics**, and **workforce insights** projects.
+
+---
+
+### **C. Financial / Banking Data**
+**Dataset:** [Bank Marketing Dataset (UCI Repository)](https://archive.ics.uci.edu/dataset/222/bank+marketing)  
+**File Type:** CSV  
+**Why Used:** Commonly used for **classification and predictive analytics** — predicting customer behavior.
+
+---
+
+### **D. Web & Online Traffic Data**
+**Dataset:** [Google Merchandise Store Analytics (via BigQuery)](https://support.google.com/analytics/answer/7586738?hl=en)  
+**File Type:** BigQuery Dataset  
+**Why Used:** Ideal for **website traffic**, **user behavior**, and **e-commerce analytics**.
+
+---
+
+### **E. Company & Economic Data**
+**Dataset:** [World Bank Open Data](https://data.worldbank.org/)  
+**File Type:** CSV / XLSX / JSON  
+**Why Used:** For **economic indicators, GDP growth, education, and employment analytics**.
+
+---
+
+### **F. Miscellaneous Open Datasets**
+- **Kaggle Open Datasets:** [https://www.kaggle.com/datasets](https://www.kaggle.com/datasets)  
+- **Data.gov (US Govt):** [https://www.data.gov/](https://www.data.gov/)  
+- **Google Dataset Search:** [https://datasetsearch.research.google.com/](https://datasetsearch.research.google.com/)