Statistics Calculators
Comprehensive tools for statistical analysis and data interpretation.
Explore distributions, descriptive statistics, probability, and hypothesis testing calculators designed for coursework, research, and data-driven projects.
Ungrouped Data
Locked
Calculate mean, median, mode, variance, and standard deviation for raw data
Mean
Median
Mode
Variance
Grouped Data
Locked
Statistical analysis for frequency distribution tables
Class Intervals
Frequencies
Normal Distribution
Locked
Calculate probabilities and z-scores for normal distributions
Z-Score
Probability
Standard Normal
Poisson Distribution
Locked
Calculate event probabilities for fixed intervals
Lambda
Cumulative
Mean
Exponential Distribution
Locked
Measure time between events in a Poisson process
PDF
CDF
Survival
Price & Quantity Indexes
Locked
Compute Laspeyres and Paasche indices from price data
Laspeyres
Paasche
Indices
Binomial Distribution
Locked
Calculate binomial probabilities for success/failure experiments
Success Probability
Trials
Geometric Distribution
Locked
Find the probability of the first success on trial k
First Success
PMF
CDF
Hypothesis Testing
Locked
Perform statistical hypothesis tests (t-test, z-test)
P-Value
T-Test
Z-Test
Regression
Locked
Compute linear regression and correlation for paired data
Slope
Intercept
R-Squared
Probability
Locked
Combinations, permutations, and basic probability calculations
nCr
nPr
Events
Bayes Theorem
Locked
Update probabilities using evidence and Bayes' rule
Posterior
Likelihood
Prior
Seasonal Analysis
Locked
Estimate seasonal indices and demand forecasts
Seasonality
Forecasting
Indices
Percentile
Locked
Calculate percentiles and quartiles from data sets
Quartiles
Percentile Rank
Statistics calculators FAQ
Do I need to log in to use the statistics calculators?
Yes. The calculators are premium tools. You can browse the list without logging in, but access requires a Premium or Pro plan.
What kinds of statistics can I calculate here?
You can work with descriptive statistics, distributions, probability, regression, and hypothesis testing depending on the calculator you choose.
Can I save my calculation history?
Signed-in premium users can save calculation history and manage it from their settings.