Statistics
Mode
Mode: use observations. Review the formula, worked example and calculation steps.
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522 calculatorsStatistics calculators.
20 statistics calculators with formulas, units and worked examples.
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Statistics
Standard error of the mean
Standard error of the mean: use observations. Review the formula, worked example and calculation steps.
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Pearson correlation
Pearson correlation: use x observations, y observations. Review the formula, worked example and calculation steps.
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Linear regression
Linear regression: use x observations, y observations, x value for prediction. Review the formula, worked example and calculation steps.
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Covariance
Covariance: use x observations, y observations, estimator. Review the formula, worked example and calculation steps.
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Geometric mean
Geometric mean: use observations. Review the formula, worked example and calculation steps.
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Harmonic mean
Harmonic mean: use observations. Review the formula, worked example and calculation steps.
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Coefficient of variation
Coefficient of variation: use observations. Review the formula, worked example and calculation steps.
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Weighted mean · data lists
Weighted mean · data lists: use values, weights. Review the formula, worked example and calculation steps.
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Percentile
Percentile: use observations, percentile. Review the formula, worked example and calculation steps.
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Interquartile range
Interquartile range: use observations. Review the formula, worked example and calculation steps.
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Outlier fences
Outlier fences: use observations. Review the formula, worked example and calculation steps.
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Expected value
Expected value: use outcomes, probabilities. Review the formula, worked example and calculation steps.
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Normal distribution
Normal distribution: use observation, mean, standard deviation. Review the formula, worked example and calculation steps.
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p-value · normal & Student t
p-value · normal & Student t: use test statistic, null distribution, degrees of freedom (t only). Review the formula, worked example and calculation steps.
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One-sample z test
One-sample z test: use sample mean, null mean, known population standard deviation. Review the formula, worked example and calculation steps.
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Poisson probability
Poisson probability: use expected count λ, observed count k. Review the formula, worked example and calculation steps.
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Exponential distribution
Exponential distribution: use rate λ, elapsed quantity. Review the formula, worked example and calculation steps.
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Uniform distribution
Uniform distribution: use lower bound, upper bound, observation. Review the formula, worked example and calculation steps.
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Relative frequency
Relative frequency: use count for the category, total observations. Review the formula, worked example and calculation steps.
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