Question: Please help Exam Score Exam Score Student Before Course (1) After Course (2) 530 670 690 770 910 1,000 700 710 450 550 820 870

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Exam Score Exam Score Student Before Course (1) After Course (2) 530 670 690 770 910 1,000 700 710 450 550 820 870 820 770 630 610 Referring to Instruction 10-5, what is the critical value for testing at the 5% level of significance whether the business school preparation course is effective in improving exam scores? O A. 1.761 O B. 2.365 O C. 1.895 O D. 2.145

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