सांख्यिकी कैलकुलेटर

गणना करें mean, median, and बहुलक का any dataset। मुफ़्त।

गणना करें विचरण and मानक विचलन। मुफ़्त।

गणना करें confidence intervals for population means। मुफ़्त।

Convert correct answers to percentage and letter grade. Fast and accurate result with formula, step-by-step method and unit overview। मुफ़्त tool.

Find the arithmetic mean of any set का संख्याएं। मुफ़्त।

गणना करें quartiles and IQR। मुफ़्त।

Find percentile rank of data values. Step-by-step solution with formula, example dataset and interpretation guide. (हिन्दी में उपलब्ध)

गणना करें statistical variance। मुफ़्त।

गणना करें z-score from any value, mean, and मानक विचलन। मुफ़्त।

Complete statistical summary of any dataset. Enter your values — see mean, median, mode, variance, standard deviation, and percentiles. मुफ़्त।

Add a list of numbers quickly and accurately. Enter your values separated by commas — see the sum, average, count, min, and max. मुफ़्त।

Generate random numbers in any range with or without repetition. Enter min, max, and count — see your random numbers instantly. मुफ़्त।

Pick random names from your list with equal probability. Enter names one per line — select one or multiple and get fair random results. मुफ़्त।

Flip a fair coin and track results over multiple flips. Choose flip count — see heads/tails results with running probability statistics. मुफ़्त।

गणना करें Grade quickly and accurately। मुफ़्त।

गणना करें GPA quickly and accurately। मुफ़्त।

गणना करें Vote Percentage quickly and accurately। मुफ़्त।

Generate stem-and-leaf plots from any dataset. Enter your values — see the completed plot with back-to-back option and median marked. मुफ़्त।

गणना करें required sample size for surveys and experiments। मुफ़्त।

गणना करें मार्जिन का error for survey results। मुफ़्त।

Run a chi-square goodness of fit or independence test. Enter observed and expected frequencies — see χ², p-value, and interpretation. मुफ़्त।

Run a two-sample independent t-test. Enter your data sets — see the t-statistic, degrees of freedom, p-value, and statistical conclusion. मुफ़्त।

गणना करें Pearson or Spearman correlation coefficient। मुफ़्त।

गणना करें Spearman rank correlation between two variables। मुफ़्त।

गुणांक का determination R²। मुफ़्त।

गणना करें Cohen\। मुफ़्त।

गणना करें probabilities for any normal distribution। मुफ़्त।

गणना करें binomial distribution probabilities। मुफ़्त।

गणना करें Poisson probabilities for rare events। मुफ़्त।

गणना करें the geometric mean of any dataset। मुफ़्त।

Calculate the harmonic mean of any set of values. Enter your numbers — see n ÷ Σ(1/xᵢ) with result and comparison to arithmetic mean. Free.

Calculate weighted mean with custom weights for each value. Enter values and weights — see the weighted average with each contribution shown. Free.

Calculate IQR quickly and accurately. Enter your values — see the result with the formula, worked example, and unit options. Free.

Calculate the regression slope and linear equation from two variables. Enter your data — see slope, intercept, correlation coefficient, and residuals. Free.

Calculate statistical power for any study design. Enter effect size, sample size, and significance level — see power and minimum sample needed. Free.

Calculate the trimmed (truncated) mean by removing extreme values. Enter your dataset and trim percentage — see the robust average. Free.

Calculate probability for any event or distribution. Enter your parameters — see probability, odds, and expected value. Free.

Internal consistency reliability. Full formula with variable legend, worked example and step-by-step chemistry solution.

Analysis of variance across multiple groups. Step-by-step solution with formula, example dataset and interpretation guide.

Run a Mann-Whitney U test for non-parametric group comparison. Enter two datasets — see U statistic, p-value, and statistical conclusion. Free.

Compare the variances of two groups with an F-test. Enter both datasets — see the F statistic, p-value, and whether variances are equal. Free.

Understand Type I and Type II errors, alpha, beta, and statistical power. Enter your α, effect size, and n — see power and error probabilities. Free.

Determinant, inverse, addition and multiplication of 2×2 matrices. See formula, step-by-step solution and all rearrangements. Instant math solver.

Solve proportions and find missing values. Enter three of four values in a/b = c/d — see the missing value with cross-multiplication steps. Free.

Perform union, intersection, difference, and symmetric difference of sets. Enter set members — see the result with Venn diagram representation. Free.

Check divisibility by 2 through 12 with instant rule explanations. Enter any integer — see which numbers divide it evenly and the rule used. Free.

Calculate square root, cube root, or any nth root. Enter value and root index — see the exact result, decimal approximation, and verification. Free.

Detect outliers in any dataset using the IQR method. Enter your values — see Q1, Q3, IQR, whisker bounds, and identified outliers. Free.