Grab pack

Grab-themed questions from the bank — rides, ads, and experimentation, on synthetic data shaped like a ride-hailing warehouse.

easyCompleted rides by cityGrab · aggregationFree→mediumDrivers rated above averageGrab · subqueryBasic→mediumAd click-through conversion rate, per campaignGrab · aggregationBasic→mediumAverage ride duration, by monthGrab · date-timeBasic→mediumSample ratio mismatchGrab · experimentationBasic→hardPrevious month's revenueGrab · windowFree→hardPooled standard error and z-scoreGrab · experimentationBasic→

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