Sample size calculator

쿠잉쿠잉 2023. 6. 6. 11:31

https://www.surveymonkey.com/mp/sample-size-calculator/

Sample Size Calculator: Understanding Sample Sizes | SurveyMonkey

Find out if you have enough people to take your survey. Our sample size calculator can help determine if you have a statistically significant sample size.

www.surveymonkey.com

http://www.raosoft.com/samplesize.html

Sample Size Calculator by Raosoft, Inc.

If 50% of all the people in a population of 20000 people drink coffee in the morning, and if you were repeat the survey of 377 people ("Did you drink coffee this morning?") many times, then 95% of the time, your survey would find that between 45% and 55% o