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Please help me. I'm struggling with statistics and i don't know what to do with this problems. Would you help me? Question: 3. An investment

Please help me. I'm struggling with statistics and i don't know what to do with this problems. Would you help me?
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3. An investment company gave a seminar on financial literacy to the employees of a supermarket. They also gave a financial literacy test before and after the seminar and listed the scores of the employees. Based on the table of scores below, is the seminar effective? Use 0.05 level of significance. Before the seminar After the seminar 2 7 5 6 5 9 7 8 5 6 7

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