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  • Skip Navigation LinksPopulation Mean Confidence Interval Calculator

Population Mean Confidence Interval Calculator

Compute the 90%, 95%, and 99% confidence intervals for the mean of a normal population, given the sample standard deviation, the sample mean, and the sample size. Knowing the confidence interval for the mean of a normal population can be very useful for assessing the true nature of a population variable in analytics studies that use normally distributed sample data.

Please provide the necessary values, and then click 'Calculate'.

Sample mean (x):
Sample size:
Sample standard deviation:
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