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Confidence Interval for Mean Calculator

Confidence Interval for Mean-Calculator

Use this calculator to compute the confidence interval for population mean when the population standard deviation is known.

Confidence Interval Calculator for mean
Sample Size ($n$)
Sample Mean ($\overline{x}$)
Population Standard Deviation ($\sigma$)
Confidence Level ($1-\alpha$)
Results
Standard Error of Mean:
Z Critical Value : ($Z$)
Margin of Error: ($E$)
Lower Confidence Limits:
Upper Confidence Limits:

Reference

You can read more about to construct a confidence interval for population mean when the population standard deviation is unknown with examples

Confidence Interval for Mean Theory

Confidence Interval for Mean Examples

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