Confidence Interval Calculator

A confidence interval calculator is a tool that can be used to calculate a range of values that is likely to contain the true population mean with a certain level of confidence. The calculator uses sample data to estimate the population mean and the standard deviation, and it takes into account the sample size, the level of confidence, and the standard deviation of the population to calculate the interval.

For example, if a sample of 100 people is used to estimate the mean of a population and the mean of the sample is 50, with a standard deviation of 10, and a 95% confidence level is desired, the calculator will provide a range of values that the true population mean is likely to fall within.

Confidence interval calculators are used in statistics and research to estimate population parameters. A confidence interval can also be calculated by hand using the standard deviation and sample size, but it can be time-consuming and error-prone. There are many online confidence interval calculators available on the internet, which you can use to perform these calculations. Some of the calculators also allow you to input your own sample data and provide the confidence interval.


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