If you want to truly master data analysis (and earn the certificate with pride), these official resources outperform any "repack":
A repo with a LEARNING.md file explaining each formula’s logic.
You have a sales table with columns: Region, Product, Units Sold, Revenue. You need to see total Revenue per Region, but only for products with Units Sold > 100. What should you do?
If you want to truly master data analysis (and earn the certificate with pride), these official resources outperform any "repack":
A repo with a LEARNING.md file explaining each formula’s logic.
You have a sales table with columns: Region, Product, Units Sold, Revenue. You need to see total Revenue per Region, but only for products with Units Sold > 100. What should you do?