Use a MECE churn issue tree to select hypotheses and next evidence.
Churn jump Quarterly churn rises to 8.6%. The board wants a cause, and the first explanations are already team-shaped. If the first tree mirrors departments, the readout will mirror politics. Decision-Walk Question -> MECE split -> hypothesis test A churn mechanism tree distinguishes why customers left before assigning team ownership. Shortcut Start with the loudest explanation. Evidence moves the tree instead of creating noise. The first test should split the tree, not prove the whole answer. 01 Question 02 Split 03 Test Frame Parent question
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