4 true or false

24 2 points Phi can only be used for a 2 x 2 table, measures strength and variance explained but not the direction of the relationship. O True O False 25 2 points 1. An eta squared of . 49 indicates a moderate relationship between the independent and dependent variables. O True False 26 2 points The Within-group degrees of freedom is calculated using the following formula: n - k+2 True False 27 2 points For the two-tailed test of hypothesis, 2.5% of cases will fall in the tails. O True O False