data-literacy
3 free lessons tagged data-literacy across Business. Each one is a short sequence of focused steps with narration and a five-question quiz at the end — take them in any order, no signup required.
The Five Analyses That Answer Most Business Questions
Almost every business question reduces to one of a small number of analytical shapes. This lesson covers trend, breakdown, funnel, cohort and distribution, what each is good for, how each misleads, and what you may and may not conclude from any of them.
Pivot Tables, Joins, and Not Breaking Your Spreadsheet
The handful of spreadsheet techniques that cover most business analysis, and the specific ways they fail silently. Covers pivot tables, lookups and what a join actually does, structuring data so tools can use it, and the errors that produce plausible wrong answers.
Asking a Question the Data Can Actually Answer
Most analysis fails at the start, on a question too vague to answer or one the data cannot address. This lesson covers turning a business question into a measurable one, what your data was actually collected for, and the checks that come before any calculation.