    Soatonca:L If the data trot series’ of tests performed with the same  toicanttoxcatt contentions eid test speciés. dere analyzed with  hypothesis tests. precsin’ could only be, assessed by a ‘qaltatve  comparisaa’ of the NDEC-LOEC intervals”-with the-understanding. that  ‘maximum precision would be attained ifsll fests yielded the'same-NOEC—  UDECinteriel    Sonn 2h wntd tamara wre tng sonia  iochtiné