๐Confidence Interval Calculator
Find the confidence interval for a sample mean.
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About this calculator
Free Confidence Interval Calculator โ find the confidence interval for a mean from the sample size, standard deviation and confidence level.
How to use
Enter your Mean (ฮผ), Std. Deviation (ฯ), Sample Size, Confidence Level above โ the result updates instantly as you type or drag the sliders. It's free and needs no sign-up.