For Zaufany learners
Count What You Mean
Marketing claims 1,800 mango buyers, and gross sales miss bank receipts. Fix the measures.
- SUM vs COUNT vs DISTINCTCOUNT across product categories
- Net revenue after discounts and returns
- Why averaging city averages gives the wrong overall mean
This level is part of Zaufany's Power BI & Data Analytics training. Levels 1 and 2 are free for everyone.