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hello can you help me answer these 2 questions a. In a final exam for Statistics, the mean score for a group of students is

hello can you help me answer these 2 questions

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a. In a final exam for Statistics, the mean score for a group of students is 78 and the standard deviation is 8. In Economics, the mean final score of the same group of students is 70 with a standard deviation of 6.8. i. Calculate the coefficient of variation for the Statistics, and Economics scores. ii. Which of the two subjects has a greater relative variability

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