QUESTION 9 In testing a hypothesis about the difference between two means, the probability of correctly rejecting the null hypothesis is increased when O nX and ny are both small. 0 nX and ny are both large. O ny> fix 0 nx> ny QUESTION 10 The test of the difference between two means involves comparison of means of O the same variable under the same conditions 0 the same variable under different conditions O different variables under different conditions 0 different variables under the same conditions