Statistics

Calculate acceptance rates for applications with our online calculator. Determine approval probability for universities, jobs, and selection processes.

Calculate average ratings easily with our average rating calculator. Determine the mean score of products, services, or any rating system quickly and accurately.

Calculate the statistical coefficient of variation for sample or population data. Determine the relative variability of your dataset with automatic result interpretation.

Calculate coin flip probability using binomial distribution. Determine exact, maximum, minimum probabilities and more with detailed result interpretation.

Calculate statistical confidence intervals with margin of error and graphical visualization. Determine upper and lower bounds with different confidence levels.

Calculate binomial probabilities using normal approximation with continuity correction. Compare results with and without correction for better statistical accuracy.

Calculate Pearson, Spearman and Kendall correlation coefficients. Analyze strength and direction of relationship between two variables with complete statistical interpretation.

Calculate complete descriptive statistics: mean, median, mode, standard deviation, variance, quartiles, skewness, kurtosis and more with detailed analysis.

Calculate combined probabilities of three independent events. Determine union, intersection, conditional probabilities and complete statistical analysis of multiple events.

Calculate Cp, Cpk and Cpm to evaluate production process capability. Determine if your process meets specifications with detailed industrial quality analysis.

Calculate relative error between true and approximate values with our relative error calculator. Analyze measurement precision, numerical methods and system validation with detailed interpretation.

Calculate the relative standard deviation (RSD) and coefficient of variation with our relative standard deviation calculator. Analyze precision and variability of statistical data.

Calculate the ideal sample size for surveys and statistical studies. Find out how many responses you need for accurate and reliable results.