Statistics
Statistics calculators
Descriptive stats, variability, and probability quick checks.
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13
Calculators built for statistics scenarios.
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ANOVA Calculator
Runs a one-way ANOVA across multiple groups.
Binomial Probability Calculator
Finds exact or cumulative probabilities for binomial experiments.
Chi-Square Calculator
Computes the chi-square statistic and p-value for goodness of fit.
Confidence Interval Calculator
Builds a two-sided z-interval around a sample mean.
Correlation Coefficient Calculator
Finds Pearson r, covariance, and standard deviations for paired samples.
Linear Regression Calculator
Fits a least-squares line, returns slope/intercept, and predicts any Y value.
Mean Median Mode Calculator
Finds key measures of central tendency for a dataset.
Normal Distribution Calculator
Evaluates z-scores and normal probabilities.
Probability Calculator
Computes event probabilities with percent, fraction, and odds outputs.
Sample Size Calculator
Estimates the responses needed to hit a target margin of error and confidence level.
Statistics Calculator
Finds mean, median, variance, and standard deviation for a dataset.
T-test Calculator
Performs Welch’s two-sample t-test with p-value.
Variance Calculator
Calculates data variability around the mean as variance and standard deviation.