# 22: Confidence Interval for a Mean (With Statistics) Calculator

- Page ID
- 8340

CONFIDENCE INTERVAL Calculator WITH STATISTICS

Fill in the sample size (n), the sample mean (\(\bar{x}\)), the population standard deviation (\(\sigma\)), and the confidence level (CL). Write the confidence level as a decimal. For example, for a 95% confidence level, enter 0.95 for CL. Then hit Calculate and assuming the population is normally distributed, the confidence interval will be calculated for you.

n: | \(\bar{x}\): | CL: | \(\sigma\): |

Lower Bound | Upper Bound |