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A company has two main divisions, East and West. The East Division has 400 employees and the West Division has 650 employees. Salary data was

A company has two main divisions, East and West. The East Division has 400 employees and the West Division has 650 employees. Salary data was gathered from each division and the results showed that the average weekly wage for the East was $642 with a standard deviation of $28; whereas the average weekly wage for the West was $563 with a standard deviation of $52. Which of these two data sets has the greater relative dispersion?

a) East

b) West

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