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Question 8 (1 point) To test the effectiveness of a business school preparation course, 6 students took a general business test before and after the

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Question 8 (1 point) To test the effectiveness of a business school preparation course, 6 students took a general business test before and after the course. The results are given below. _----.' Is there evidence that the means test scores are different before and after the business school preparation course? Test appropriate hypotheses at the 0.10 level of signicance. Denote by [J D the mean of the differences of the scores before and after the course for all students, Where D=\" Score Before Score After". Denote by [41 and [.12 the means of scores before and after the course for all students, respectively. What is/are the critical values? Round to 3 decimal places. 01.476 0:2.015 01.476 0:1.943

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