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A manager whats to see if it is worth going back for MBA degree. They randomly select 18 managers salaries before and after undertaking a

A manager whats to see if it is worth going back for MBA degree. They randomly select 18 managers salaries before and after undertaking a MBA and record their salaries in thousands of dollars assume salaries are normally distributed. Test the claim that the MBA degree, on average, increases a manager's salary. Use a 10 % level of significance.

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