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194 tools
t-test calculator performs all kinds of t-tests: one-sample, two-sample, and paired.
The Mann-Whitney U test calculator performs this popular statistical test using the beloved U statistic.
Set up to 15 dice to roll with our 4-sided dice roller calculator.
This custom dice roller calculator will help you with boredom and roll up to 15 dice with up to 120 sides!
The false positive calculator finds the rate of false positives based on the specificity and prevalence.
Sort numbers in descending order with this greatest-to-least calculator.
With our ordering numbers calculator, you can quickly rearrange up to 50 numbers in ascending or descending order.
Count exactly what the name says with our permutation without repetition calculator!
Use our possible combinations calculator to know how many combinations are possible, given a total number of objects and a sample size.
Discover why "accurate" tests can be misleading with this false positive paradox calculator.
The Monty Hall Problem calculator can help you win a car 66% of the time — but only if you play the game!
Learn how two losing games can make a winning game by alternating between them in this Parrondo's paradox calculator.
Understand the math behind the millions. Test your probability skills to see if you are a certified jackpot genius!
Use the relative risk calculator to compare the probability of developing a disease in two groups of people.
The two envelopes paradox calculator helps you determine whether swapping envelopes will make you obtain the envelope with a larger amount of money.
The central limit theorem calculator allows you to calculate the sample mean and the sample standard deviation for the given population distribution and sample size.
The continuity correction calculator shows you how to apply continuity correction to approximate a binomial distribution of a given problem.
The exponential growth prediction calculator estimates a future value based on past performance.
The frequency polygon calculator will help you create a frequency polygon for the given set of data points.
Our geometric distribution calculator will help you determine the probability of a certain number of trials needed for success.
Our lognormal distribution calculator helps you solve problems regarding probabilities, quantiles, samples, etc. from the lognormal distribution.
The Poisson distribution calculator is a tool for determining the probability of a certain number of independent events happening in a given time.
Our Rayleigh distribution calculator helps you generate samples from the Rayleigh distribution, or determine probabilities, cdf, pdf, quantiles, and common measures in this distribution.
Convert any given set of integers to a stemplot using this stem-and-leaf plot calculator!