(PECL stats >= 1.0.0)
stats_stat_independent_t — Returns the t-value from the independent two-sample t-test
Returns the t-value of the independent two-sample t-test between
arr1 and arr2.
本函数还未编写文档，仅有参数列表。
arr1The first set of values
arr2The second set of values
Returns the t-value, or false if failure.