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This calculator computes confidence intervals for normally distributed data with an unknown mean, but known standard deviation. It does not calculate confidence intervals for data with an unknown mean and unknown standard deviation.
Jan 18, 2024 · This confidence interval calculator is a tool that will help you find the confidence interval for a sample, provided you give the mean, standard deviation and sample size. You can use it with any arbitrary confidence level.
The confidence interval calculator computes both the confidence interval of a mean and the confidence interval of the standard deviation. The calculation uses the normal distribution or the student's t distribution for the confidence interval of the mean, and the chi-squared distribution for the confidence interval of the standard deviation.
Powerful confidence interval calculator online: calculate two-sided confidence intervals for a single group or for the difference of two groups. One sample and two sample confidence interval calculator with CIs for difference of proportions and difference of means.
Enter how many in the sample, the mean and standard deviation, choose a confidence level, and the calculation is done live. Read Confidence Intervals to learn more.
The calculator on this page solves confidence intervals for one population mean. Sometimes we're interest in confidnece intervals about two population means. These can be solved using the Two Population Calculator .
Jul 16, 2024 · The 99% confidence interval calculator will help you with the fundamental statistics problem of estimating a specific confidence interval.
The confidence interval calculator computes a confidence interval of a mean and a confidence interval of the standard deviation. The calculation uses the normal distribution or the student's t distribution for the confidence interval of the mean, and the chi-squared distribution for the confidence interval of the standard deviation.
An online confidence interval calculator allows you to calculate the confidence interval with lower and upper bound along with standard error.
Do you need to find a Confidence Interval Calculator quickly? Input your data to obtain the metric, step-by-step calculation, Python and R codes, and more. Calculate now.
