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 | |
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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