9. I'm conducting a correlated groups t-test. The test is nondirectional, with an alpha of .01, and a sample size of 12. What is the critical value? O +/- 3.106 O + or - 3.106 +/- 2.718 + or - 2.718 10. I'm conducting a correlated groups t-test. The test is directional, with an alpha of .05, and a sample size of 41. What is the critical value? O +/-1.684 O + or - 1.684 O +/-1.697 + or - 1.697