1. Which confidence interval has the most variability?
(.0039, .0058)
(.009, .0058)
(1.20, 3.00)
they all have the same variability
2. A test statistic was calculated to be -1.6/ You need to determine critical values c1= t99,.025, c2=t99,975. Referring to a t table you see that 99 degrees of freedom is not in the table, but c2=t120,.975 = 1.980. You would _____ the Ho.