Problem
Given a table of medical claims, write a query to calculate the rolling 30-day average of claim amounts per provider.
Practicing as: Data Analyst interview at InovalonHi, I'll play your Inovalon interviewer for the Data Analyst role. Candidates describe these interviews as mixed and moderately difficult, so expect me to be professional and fair. Take your time with the question above and answer like we're in the room.
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