Online calculators
"How big is my margin of error?"; "How many people should I interview to have confidence in the study's findings?"
Both are common questions in marketing research. Below are two calculators to help you answer these questions:
"How big is my margin of error?"; "How many people should I interview to have confidence in the study's findings?"
Both are common questions in marketing research. Below are two calculators to help you answer these questions:
- Margin of error calculator: use it in to calculate the margin of error associated with a sample size
- Sample size calculator: use it to calculate how many respondents are needed in order to attain a specific margin of error