Market Research
Sample size
How many people you need to survey for reliable results.
What each field means
- Total population
- Total universe size.
- Confidence level (%)(%)
- e.g. 90, 95, 99.
- Margin of error (%)(%)
- e.g. 5.
Why this metric matters
Over-surveying wastes money; under-surveying gives you noise-based decisions. This computation avoids both.