(PECL stats >= 1.0.0)
stats_stat_independent_t — Returns the t-value from the independent two-sample t-test
stats_stat_independent_t ( array $arr1 , array $arr2 ) : float
Returns the t-value of the independent two-sample t-test between arr1 and arr2.
This function is currently not documented; only its argument list is available.
arr1
The first set of values
arr2
The second set of values
Returns the t-value, or false if failure.
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https://www.php.net/manual/en/function.stats-stat-independent-t.php