Statistics & Data Analysis

Statistics calculators for coursework and labs: probability, confidence intervals, hypothesis testing, chi-square, regression, ANOVA and Monte Carlo simulation.

1. 1

   Dice Probability

   Calculate exact dice roll probabilities for any number of dice and sides. Monte Carlo simulation with PMF and CDF charts. Supports d4, d6, d…
2. 2

   Confidence Interval Calculator

   Calculate confidence intervals for a population mean (z or t) and population proportion (Wilson score). Returns bounds, margin of error, cri…
3. 3

   Hypothesis Testing (Z-test)

   Calculate z-statistic and p-value for a one-sample z-test. Get two-tailed and one-tailed p-values and significance decisions at α = 0.05 and…
4. 4

   Chi-Square Test

   Perform chi-square goodness-of-fit test (up to 5 categories) or 2×2 independence test with Yates correction. Returns χ² statistic, p-value, …
5. 5

   Linear Regression

   Calculate regression slope, intercept, R² and standard errors from summary statistics. Free statistics calculator for students studying line…
6. 6

   One-Way ANOVA

   Perform one-way ANOVA for 2 to 4 groups using summary statistics. Returns F-statistic, F-critical, p-value, degrees of freedom, mean squares…
7. 7

   Monte Carlo Risk Simulator· Simulation

   Monte Carlo simulation with up to 10 input variables using normal, uniform, triangular or lognormal distributions. Returns output distributi…