Statistics Calculators

124 free calculators. Every result comes with the formula, a step-by-step solution, worked examples, and a plain-English interpretation — never just a bare number.

124 results · page 1 of 11

Weighted Mean Calculator

Enter your values and their weights to get the weighted mean instantly, along with the sum of…

📊 İstatistik

Area Calculator

Calculate the area of a square, rectangle, triangle, circle, or trapezoid: enter the lengths…

🧮 Matematik

Anderson-Darling Test Calculator

A², adjusted A*², p-value, the 15%-1% critical value table, and a Kolmogorov-Smirnov comparison…

📊 İstatistik

ANOVA Calculator

Paste one group per line and read the F statistic, degrees of freedom, p-value, eta squared…

📊 İstatistik

Prime Number Calculator

Check instantly whether a number is prime, and see its prime factorization, its divisors, how…

🧮 Matematik

Outlier Detection Calculator

Identify the extreme observations in your data with the Tukey 1.5·IQR rule, the z-score, or the…

📊 İstatistik

Independent Samples t-Test Calculator

Pooled and Welch t values, Levene's test, p-value, confidence interval, Cohen d, Hedges g, and…

📊 İstatistik

Bartlett's Test Calculator

Χ², the correction factor C, df, p, critical χ², pooled variance, a normality check, and a…

📊 İstatistik

Bayes' Theorem Calculator

Turn a prior probability, sensitivity, and specificity into a posterior probability: positive…

📊 İstatistik

Expected Value Calculator

E(X) = Σxᵢ·pᵢ together with variance, standard deviation, a working table, and probability…

📊 İstatistik

Coefficient of Determination (R²) Calculator

Compute R², adjusted R², the standard error of the estimate, the SST/SSR/SSE decomposition, and…

📊 İstatistik

Bernoulli Distribution Calculator

Compute P(X=1), P(X=0), the mean, variance, skewness, and kurtosis of a Bernoulli trial, and…

📊 İstatistik