Lorenzo Rosa 🤌 Data Analytics & Data Science on Instagram: "📊 Want to uncover hidden patterns in your data? One of the most revealing techniques is calculating averages by group - it shows you what’s really happening beneath the surface! 💡 Example: You have employee salary data across departments. Instead of looking at one overall average, group by department to see which teams are paid above or below average - instant insights for HR decisions. ✅ This technique works in SQL, Tableau, and Pyt

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