An experiment was conducted to compare two different surgical procedures, laparoscopic repair (LR) and open repair (OR), for hernia repair. Eight-nine children were assigned at random to one of the two surgical methods. After randomly assigning the children to the two methods, researchers wanted to compare the ages of the children in the two groups. Based on the figure below, has the random assignment of subjects to experimental groups been successful? Explain. D . .. . . .. . ..w. . . . .. .. . . . co.. .0. Age . ... .. . 20. 0000 0 CO LR OR Surgical Procedure