Here is a dataset: [DATA] Context: [CONTEXT]. The decision on the table is [DECISION]. Do this in order: 1. State what the data shows in ONE sentence a busy person could act on 2. The three numbers that sentence rests on 3. What the data does NOT show that someone will assume it does 4. The strongest alternative explanation for the pattern, taken seriously 5. Sample size, time window and any obvious selection effect — say plainly whether this is enough to decide on 6. The one additional cut of the data that would most change your confidence No chart suggestions. No "further analysis is recommended". If the honest answer is that the data cannot support the decision, lead with that.
Writes the query, states the assumptions it made, and flags where the schema is ambiguous.
Writes the formula and explains it in English, so you can maintain it later.
Reads a retention table the way an analyst would, including what looks like a trend and is not.