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194 tools
ANOVA Calculator performs statistical analysis to identify significant differences between group means using one-way and two-way ANOVA.
The birthday paradox calculator is a tool that enables you to determine the probability that at least two people from a group of a given size will share a birthday.
With this dice average calculator, you can quickly calculate the average value of a set of dice rolls.
Use this p-hat calculator to determine the sample proportion according to the number of occurrences of an event and the sample size.
The post-test probability calculator allows you to calculate pre-test probability, likelihood ratios, and finally, the post-test probability itself.
Test your knowledge of dice averages, expected values, and probability with our average dice quiz before rolling or designing your next game.
Determine the goodness of fit of your data with the chi-square calculator.
Calculate the class width of any dataset.
The histogram calculator is a histogram maker and a lesson on histograms, all in one. Let's explore what is a histogram, some examples, and the differences between a histogram vs a bar chart.
The uniform distribution calculator can perform all sorts of computations related to this popular probability distribution. Comes with free sample generator!
Correlation coefficient calculator quickly finds the values of several different correlation coefficients. If you wish, it will show you the intermediate steps of the calculations as well!
The descriptive statistics calculator will thoroughly analyze your data set using more than 20 different descriptive statistics spread over various subcategories of statistical measurements, such as central tendency and dispersion.
The mean absolute deviation calculator can calculate the mean absolute deviation around the mean, median, or any other statistically significant number.
The midrange calculator will quickly calculate the midrange of a given set of data.
Use this Pearson correlation calculator to find Pearson's r of any given dataset, as well as a general oversight on what Pearson's correlation is all about.
Our pooled standard deviation calculator can help you measure the variability or spread of data when combining or pooling multiple datasets.
Our process capability index calculator helps you calculate whether the variation of your process is within specification limits and whether your process can produce the intended output.
Efficiently calculate diversity index and understand the Gini index formula with our Simpson's diversity index calculator. Try it today!
This skewness calculator finds both the skewness and kurtosis of a dataset and interprets these values, telling you how skewed or peaked your distribution is.
Use this tool to calculate the standard deviation of the sample mean, given the population standard deviation and the sample size.
Use this sum of squares calculator to determine the variability of your data.
The upper and lower fence calculator determines the cutoff points for outliers in a dataset with up to 50 values.
Determine the statistical significance of your A/B tests effortlessly with our AB test calculator. Reliable, quick results. Start calculating now!
The residual calculator helps you to calculate the residuals of a linear regression analysis.