SELECT ALL THAT APPLY

Multiple Choice

SELECT ALL THAT APPLY.
-A research hypothesis (H₁) is said to be a

A) one-tailed test if the research hypothesis is non-directional.
B) right-tailed test if the research hypothesis is directed at the right tail of the sampling distribution.
C) left-tailed test if the research hypothesis is directed at the left tail of the sampling distribution.
D) two-tailed test if the research hypothesis is directional.