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Metricsstandard

Uber trips in one city fell 15% yesterday. What do you do?

How to approach it

Narrow it down by side of the market: did riders stop requesting, or did drivers stop accepting?

How a strong answer opens

“First I'd confirm the number, then split it by side of the market. Did riders stop requesting trips, or did drivers stop being available and accepting them?”

Outline of a strong answer

Try answering out loud for a few minutes before you open this.

  1. Confirm the drop and check for data or reporting issues
  2. Split demand (requests) from supply (available drivers, accept rates)
  3. Check local events: weather, holidays, transit strikes, regulation
  4. Look at product changes: price changes, app release, payment failures
  5. Check the competition: a rival promo in that city
  6. Prioritize the most likely cause and plan the fix

Where this question usually goes wrong

Looking only at riders and forgetting that a supply problem, such as drivers going offline, can look exactly like falling demand.

Learn the method

Diagnosing a metric drop in Module 2, Metrics and execution.

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