1*433d6423SLionel Sambuc /* 2*433d6423SLionel Sambuc * student_t_p_2tail returns the 2-tailed p-value for the student's t 3*433d6423SLionel Sambuc * distribution with the given t and degrees of freedom 4*433d6423SLionel Sambuc */ 5*433d6423SLionel Sambuc float student_t_p_2tail(float t, float df); 6