Confidence Interval Calculator

Sample Mean (x)

Sample Size (n)

Standard Deviation (s)

Confidence Level

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Confidence Interval Calculator Online:

Our confidence interval calculator is an online application to enter the sample, the mean, and standard deviation, and choose a confidence level to calculate the margin of error or desired confidence level in just one click.

How do I calculate 95% confidence interval?

You must do the following steps to calculate the confidence interval level:

Open your browser and type in https://crazywebtools.com
Click on Confidence Interval Calculator Online
Add sample mean(x)
Add Sample Size(n)
Add Standard Deviation (s)
Add Confidence Level in %
Click on Calculate to calculate your confidence interval level.

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Confidence Interval Calculator

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How do I calculate 95% confidence interval?

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