Acrossover trial is a type of experiment used to compare two drugs, subjects take one drug for a period of time, thenswitch to the other. the responses of the subjects are then compared using matched pair methods in an experiment tocompare two pain relievers, seven subjects took one pain reliever_'! 1 1 3 4 5 6 ' a 6 3 4 s 7 l 4drug b 5 1 5 5 5 2 '_'__can you conclude that the mean response differs between the two dmgs?