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Statistical formula for the T-test test
The following table shows the notation used in this topic.
In the formulae for axis-level test statistics, the formula is applied separately to the counts in each column or row, according to whether the axis containing the stat= option is the row or column axis.
Notation
Description
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The number of basic count elements in the axis or segment.
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The (weighted) count in the ith cell of a row or column representing that axis.
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The (weighted) base of the row or column.
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The unweighted base of the row or column.
Sum of factors
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Mean
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Standard deviation
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Standard error of mean
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One-sample and paired T-test
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is tested against Student’s t-distribution with N - 1 degrees of freedom.
See also
T-test test