Statistics · 45 calculators

Statistics
calculators.

Calculators for descriptive statistics, distributions, tests, and probability.

45 questions you can answer here

statistics calculators to answer your questions

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Answered with example numbers. Try yours.

What are the statistics of my data?

For 8 numbers: mean 18, median 18.5, standard deviation 5.237229 (Sample).

Find out →Average

What is the average?

The average of 85, 90, 78, 92, 88 is 86.6.

Find out →Mean, Median, Mode

What are the mean, median, mode?

For 1, 2, 3, 4, 5, 5, 6, 6, 6, 6, 7, 8, 9, the mean is 5.230769 and the median is 6 (mode: 6).

Descriptive

AverageWhat is the average?Correlation CoefficientWhat is the correlation coefficient?CovarianceWhat is the covariance?Empirical RuleWhat does the empirical rule say?Exponential RegressionWhat is my exponential regression?Frequency DistributionWhat is the frequency distribution?Geometric MeanWhat is the geometric mean?Linear RegressionWhat is my linear regression line?Mean Absolute DeviationWhat is the mean absolute deviation?Mean, Median, ModeWhat are the mean, median, mode?PercentileWhat is the percentile?Quadratic RegressionWhat is the quadratic regression?QuartileWhat are the quartiles of my data?RangeWhat is the range of my data?Standard DeviationWhat is the standard deviation?Standard ErrorWhat is the standard error?StatisticsWhat are the statistics of my data?Sum of SquaresWhat is the sum of squares?VarianceWhat is the variance of my data?Weighted AverageWhat is my weighted average score?

Distributions

Binomial DistributionBinomial distribution: how likely is k?Central Limit TheoremCentral limit theorem probability Hypergeometric DistributionHypergeometric: how likely is k?Inverse Normal (invNorm)InvNorm calculator: x from an area Normal DistributionWhat is the normal distribution area?Poisson DistributionPoisson distribution: how likely is k?Probability DistributionProbability distribution: P(X ≤ x)?Z ScoreWhat is the z-score?

Tests

ANOVAHow do I run a one-way ANOVA?Chi-SquareWhat is my chi-square test result?Confidence IntervalWhat is the confidence interval?Critical ValueWhat is the critical value for my test?Degrees of FreedomWhat are my degrees of freedom?P-ValueWhat is my p-value?Point EstimateWhat is the point estimate?Sample SizeWhat sample size do I need?Statistical SignificanceDid I reach statistical significance?T ScoreWhat is my t score?T-TestWhat does my t-test show?Test StatisticWhat is my test statistic?

Probability

CombinationHow many combinations?Dice ProbabilityWhat are the odds of my dice roll?Expected ValueWhat is the expected value?PermutationHow many permutations are there?ProbabilityWhat is the probability of A and B?