Confidence Intervals >> Calculate sample size necessary to achieve specified margin of error

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APPLETSOURCEDESCRIPTION
Summary StatisticsDundee ScientificGiven raw data for two populations, computes confidence intervals for each mean and the difference of means.  more
CI for one meanRuss Lenth's Java applets for power and sample sizeFor a confidence interval for the mean, computes either required sample size to achieve specified margin of error or margin of error from specified sample size, has finite population options.  more
Sample size required for estimating a mean or totalStattucino (Berrie)Sample size calculator for a confidence interval for a mean, has finite population option.  more
One sample CI for the mean with known population standard deviationDept of Statistics, Texas A&M UniversityFor a confidence interval for a mean using the normal, computes sample size for a specified margin of error or vise versa.  more
One sample CI for the mean with unknown population standard deviationDept of Statistics, Texas A&M UniversityFor a confidence interval for a mean using the t, computes sample size for a specified margin of error or vise versa.  more
CI for one proportionRuss Lenth's Java applets for power and sample sizeFor a confidence interval for the proportion, computes either required sample size to achieve specified margin of error or margin of error from specified sample size, has finite population options.  more
Sample Size CalculatorRaosoft, Inc.Computes sample size for a confidence interval for a proportion based on a possibly finite population, includes explanations for each quantity entered, also gives margin of error for specified sample sizes or confidence levels.  more
Sample size required for estimating a proportion with absolute margin of errorStattucino (Berrie)Sample size calculator for a confidence interval for a proportion using an absolute margin of error, has finite population option.  more