nag_prob_students_t_vector (g01sbc) Example Program Results tail t df p ivalid ----------------------------------------------------------- Nag_LowerTail 0.850 20.0 0.7973 0 Nag_TwoTailSignif 0.850 20.0 0.4054 0 Nag_TwoTailConfid 0.850 20.0 0.5946 0 Nag_UpperTail 0.850 20.0 0.2027 0