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stats_stat_innerproduct	stats_stat_percentile

Statistic Functions	Last updated: Mon, 26 Oct 2026

stats_stat_paired_t

(PECL stats >= 1.0.0)

stats_stat_paired_t — Returns the t-value of the dependent t-test for paired samples

Description

function stats_stat_paired_t(array $arr1, array $arr2): float

Returns the t-value of the dependent t-test for paired samples arr1 and arr2.

Parameters

arr1: The first samples
arr2: The second samples

Return Values

Returns the t-value, or false if failure.

stats_stat_innerproduct	stats_stat_percentile

Statistic Functions	Last updated: Mon, 26 Oct 2026