Statistics Calculators

Basic Statistics Calculator

Calculates descriptive statistics (mean, median, range, variance, standard deviation) for a sample size of 5.

Descriptive Statistics Calculator

Computes key descriptive statistical values (sum, mean, range, variance, std dev) for a dataset.

Bayes Theorem Calculator

Free Bayes Theorem Calculator — calculate bayes theorem online with the formula, worked examples, and step-by-step instructions.

Correlation Coefficient Calculator

Correlation Coefficient Calculator: solve correlation coefficient problems online for free — formula, worked examples, and how-to guide included.

Histogram Calculator

Free Histogram Calculator — calculate histogram online with the formula, worked examples, and step-by-step instructions.

One Sample T Test Calculator

Use this free One Sample T Test Calculator to compute one sample t test instantly. Includes the formula, examples, and FAQs.

Outlier Calculator

Outlier Calculator: solve outlier problems online for free — formula, worked examples, and how-to guide included.

Pearson Correlation Calculator

Calculate pearson correlation in seconds with this free statistics Pearson Correlation Calculator. No signup needed; formula and examples included.

Regression Analysis Calculator

Free Regression Analysis Calculator — calculate regression analysis online with the formula, worked examples, and step-by-step instructions.

Regression Calculator

Use this free Regression Calculator to compute regression instantly. Includes the formula, examples, and FAQs.

Two Sample T Test Calculator

Two Sample T Test Calculator: solve two sample t test problems online for free — formula, worked examples, and how-to guide included.

Average Calculator

Calculate the mean, median, and mode of a dataset.

Standard Deviation Calculator

Calculate the standard deviation of a dataset.

Mean Median Mode Calculator

Find the mean, median, and mode of any list of numbers.

Variance Calculator

Calculate population and sample variance of a dataset.

Median Calculator

Find the median value of a sorted or unsorted dataset.

Z Score Calculator

Convert data values to z-scores and find probabilities.

Percentile Calculator

Find what percentile a value falls in within a dataset.

Quartile Calculator

Find Q1, Q2, Q3 and the interquartile range of data.

Interquartile Range Calculator

Calculate the IQR and identify statistical outliers.

Probability Calculator

Calculate probability, combinations, and permutations.