MATH / TWO-SAMPLE STATISTICS
Calculate a paired-sample t statistic from the within-pair difference summary. Inspect the equation, substituted values, result, and interpretation limits in one guided workspace.
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Calculate a paired-sample t statistic from the within-pair difference summary. The page evaluates the displayed equation from your supplied values and presents both symbolic and substituted KaTeX working so the arithmetic can be checked.
t=(d_bar-mu_d)/(s_d/sqrt(n))
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What you receive
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Interpret the result only when sampling, independence, measurement, and distribution assumptions fit the data.
Use internally consistent units and retain extra precision when carrying the result into another calculation.
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