Calculator directory
Statistics calculators
32 clear, practical tools. Search by name or browse by category.
Statistics32
Binomial MeanCalculate mean using the binomial mean formula. Enter Trials n, Success probability p; see the substituted formula, workings and rounded answer.Binomial ProbabilityCalculate probability using the binomial probability formula. Enter Binomial coefficient nCr, Success probability p, Successes r, Trials n; see the substituted formula, workings and rounded answer.Binomial Standard DeviationCalculate standard deviation using the binomial standard deviation formula. Enter Trials n, Success probability p; see the substituted formula, workings and rounded answer.Chi Square Component CalculatorUse the Chi Square Component Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Chi Square Four CategoriesCalculate chi-square statistic using the chi square four categories formula. Enter Observed 1, Expected 1, Observed 2, Expected 2, Observed 3, Expected 3, Observed 4, Expected 4; see the substituted formula, workings and rounded answer.Coefficient of Variation CalculatorUse the Coefficient of Variation Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Confidence Interval Lower CalculatorUse the Confidence Interval Lower Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Confidence Interval Upper CalculatorUse the Confidence Interval Upper Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Correlation T StatisticCalculate t statistic using the correlation t statistic formula. Enter Correlation r, Sample size; see the substituted formula, workings and rounded answer.Effect Size Cohen D CalculatorUse the Effect Size Cohen D Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.F Statistic CalculatorUse the F Statistic Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Index Number CalculatorUse the Index Number Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Linear Prediction CalculatorUse the Linear Prediction Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Margin of Error CalculatorUse the Margin of Error Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Mean of Five ValuesCalculate mean using the mean of five values formula. Enter Value 1, Value 2, Value 3, Value 4, Value 5; see the substituted formula, workings and rounded answer.Normal Distribution DensityCalculate probability density using the normal distribution density formula. Enter Value x, Mean μ, Standard deviation σ; see the substituted formula, workings and rounded answer.Odds Ratio CalculatorUse the Odds Ratio Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.One Sample T StatisticCalculate t statistic using the one sample t statistic formula. Enter Sample mean, Hypothesized mean, Sample standard deviation, Sample size; see the substituted formula, workings and rounded answer.One Sample Z StatisticCalculate z statistic using the one sample z statistic formula. Enter Sample mean, Hypothesized mean, Population standard deviation, Sample size; see the substituted formula, workings and rounded answer.Poisson ProbabilityCalculate probability using the poisson probability formula. Enter Poisson mean λ, Event count r, Factorial r!; see the substituted formula, workings and rounded answer.Pooled Mean CalculatorUse the Pooled Mean Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Population Standard Deviation of Five ValuesCalculate population standard deviation using the population standard deviation of five values formula. Enter Value 1, Value 2, Value 3, Value 4, Value 5, Population mean; see the substituted formula, workings and rounded answer.Proportion Standard Error CalculatorUse the Proportion Standard Error Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.R Squared CalculatorUse the R Squared Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Relative Risk CalculatorUse the Relative Risk Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Residual CalculatorUse the Residual Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Sample Proportion CalculatorUse the Sample Proportion Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Standard Error CalculatorUse the Standard Error Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Standard Error of MeanCalculate standard error using the standard error of mean formula. Enter Population standard deviation, Sample size; see the substituted formula, workings and rounded answer.Weighted Mean of Four ValuesCalculate weighted mean using the weighted mean of four values formula. Enter Value 1, Weight 1, Value 2, Weight 2, Value 3, Weight 3, Value 4, Weight 4; see the substituted formula, workings and rounded answer.Z ScoreCalculate z score using the z score formula. Enter Observed value, Population mean, Population standard deviation; see the substituted formula, workings and rounded answer.Z Score CalculatorUse the Z Score Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.