Sample Mean Interval Calculator
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Sample Mean Interval Calculator. Statistical calculators, sample size, free, confidence interval,. An easy confidence interval calculator using a z statistic to estimate a population mean from a single sample.
Statistical calculators, sample size, free, confidence interval,.
Calculating the confidence interval requires you to know three parameters of your sample: Provides full details of workings. Use this confidence interval calculator for the population mean µ, when the population standard deviation σ is not known, so we use the sample st. Where n is the number of observations in the sample, x (read x bar) is the arithmetic mean of the sample and σ is the sample standard deviation.
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