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@horizon-breeze95916 hours agoUnited States
Is it okay to give a range instead of one point estimate in market sizing?
- Market Sizing
Some market-sizing assumptions are pretty uncertain, so a single number can feel fake-precise. Is it acceptable to give a range, or do interviewers usually expect one final estimate?
Similar Questions
For market sizing, how do I choose between a demand-side and supply-side approach?
- Market Sizing
For some market-sizing questions I can see both a customer-demand approach and a supply/capacity approach. How do I decide which one to use in the interview?
Oct 10, 2026Canada
Top answer
Mayank G.Coach
Mayank G.CoachChoose the approach that uses the most reliable assumptions and connects most directly to the market you are sizing.
How should I sanity-check a market sizing answer when I have no benchmark?
- Market Sizing
I understand that I should sanity-check the final market size, but sometimes I have no idea what the real market should be. How do I test whether the answer is reasonable without an external benchmark?
Oct 22, 2026United States
Top answerMayank G.Coach
Mayank G.CoachSanity-check the components rather than relying on one remembered market number. Ask whether the implied behavior, frequency, capacity or spend makes sense at the customer level.
How should I handle a market sizing case when I know a real-world number?
- Market Sizing
Sometimes I happen to know an actual market statistic from school or work. Should I use that number, or is it better to build an estimate from assumptions so the interviewer can see my reasoning?
Oct 16, 2026United States
Top answerMayank G.Coach
Mayank G.CoachYou can use a real-world number if you are confident it is accurate and relevant, but do not let outside knowledge replace the reasoning the interviewer wants to see.