Confidence Interval Calculator to calculate the margin of error based on the sample size and confidence level. The 95% confidence interval calculator is calculated using the sample size, sample mean, standard deviation, and 95% confidence level. You can change the confidence level to 90%, 99% or others.
95% Confidence Interval Calculator |
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| Sample Size (n) | |
| Sample Mean (x) | |
| Standard Deviation (s) | |
| Confidence Level | |
| Result | |
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