Which of the following is the alternative hypothesis foDuring significance testing, Dr. Gray looked at his data to see if the relationship between his independent and dependent variables was large enough to be meaningful. In doing so, he was investigating ______. Group of answer choices statistical significance practical significance probability significance effect size significancer testing the difference between two means for statistical significance? Group of answer choices H0: GRE-V = 476 H0: M = F H1: MF H0: XY = 0