| Two-Tailed probability with a 95% significance level and sample size of 81 | ||||||||
| (a) | α = ______ | α/2 = ______ | df = _____ | |||||
| (b) | t-Values (standard deviations) are: + _____ and - _____ | |||||||
Two-Tailed probability with a 95% significance level and sample size of 81 (a) α = ______...