In order to help students improve their study habits, nine students were chosen at random to attend a seminar on the value of education in life. Each student's weekly study time before and after the seminar is shown in the table below. At a = 0.010, did attending the seminar lead to an increase in the number of hours that students spent studying per week? Before 9 12 6 15 3 18 10 13 7 After 9 17 9 20 2 21 15 22 6

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