For a given H0 and level of significance, if you reject the H0 for a one tailed-test, you would also reject H0 for a two-tailed test. true or false Solution [ANSWER] False. For two tailed , the critical value in table is diffrent. It higher than the value achived in One tail at the same level of singnificance. If we Reject H0 in One tail it may or may n\'t Reject in two tail.