Metrics question
How would you solve for an increase in the cart abandonment rate?
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What this question tests
Diagnosing and prioritizing fixes for a common ecommerce funnel problem.
How to approach it
- Confirm the increase is real and material, comparing against historical baseline cart abandonment rates.
- Break the checkout journey into steps: cart review, shipping cost reveal, payment entry, and confirmation.
- Segment by device and by whether users are logged in, since guest checkout often has higher abandonment.
- Check for a common cause: unexpected shipping costs or taxes revealed late, a required account creation step, or limited payment options.
- Propose fixes ranked by likely impact, like showing total cost earlier or adding guest checkout if missing.
- Define success as cart abandonment rate reduction and completed order rate among previously abandoning segments.
What a strong answer includes
- Names a well known, concrete cause, unexpected shipping costs revealed late in checkout, as a top hypothesis to check first.
- Segments by guest versus logged-in users, since forced account creation is a common, checkable abandonment driver.
- Proposes showing total cost including shipping earlier in the funnel as a specific, testable fix.
- Picks completed order rate, not just abandonment rate, to confirm the fix actually converts more sales.
Common mistakes
- Proposing generic fixes like 'improve UX' without naming a specific, checkable cause.
- Ignoring segmentation between guest and logged-in checkout behavior.
Likely follow-up questions
- How would you validate which specific cause is driving the increase?
- How would you test a proposed fix before a full rollout?
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Learn the skill behind it
Chapters of the AI PM course that teach what this question tests.
- Chapter 9: Prove it paid off: outcomes, economics, and pricing
- Chapter 2: Data fluency: SQL, logs, and reading the truth yourself
- Chapter 14: Get the job: the AI PM interview loop