6. With = .05 and df = 8, the rejection zone for a right-tailed t test...

6. With α = .05 and df = 8, the rejection zone for a right-tailed t test is t > 1.860. Assuming that all other factors are held constant, if the df increases to 20, the critical value of t that sets the boundary for the rejection zone would 1. increase 2. decrease 3. remain the same