f7cee87a2a
Add stats:price-experiment-funnel: a 2-arm funnel (control vs high) on one shared decision window. The primary metric is contribution margin per assigned user, tested with a Welch two-sample test (unequal variances, since the higher-priced arm carries far more revenue variance); conversion is a Fisher-exact guardrail against control. Cost uses currently-active connections to match the monthly MRR flow. The report is framed monitoring-only: decide at the pre-registered horizon, not on weekly peeks. Extract the shared MonthlyEquivalentPrices lookup so both funnel collectors resolve Stripe prices through one source. |
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