The table shows the credit scores for 12 randomly selected adults who are considered high-risk borrowers before and two years after they attend a personal finance seminar. At \(\alpha=0.01\), is there enough evidence to support the claim that the personal finance seminar helps adults increase their credit scores? Assume the populations are normally distributed.

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Adult 123456 Credit score (before seminar) 608 620 610 650 640 680 Credit score (after seminar) 646 692 715 669 725 786 Adult 7 8 9 10 11 12 Credit score (before seminar) 655 602 644 656 632 664 Credit score (after seminar) 700 650 660 650 680 702