MOHYUDDIN_NText BoxThe tutoring was effective in the sample(indicated by negative difference when doingcontrol minus experimental)

MOHYUDDIN_NText Box

MOHYUDDIN_NText BoxTutoring CANNOT be said to reliably improve scoresbecause the average difference could be as much as -44 (tutoring could be even more effective) or as bad as 6 (which is positive, which means control group without tutoring actually scored higher)