Which of the three scatter diagrams in Exhibit 2.70 opposite is the most likely representation of data on years of service and annual salary for a random selection of employees in an international organization? Why?
In exhibit
Scatter Diagram Possibilities: Years of Service vs. Annual Salary

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Service and Salary Service and Salary b) a) $120 $120 $100 $100 $80 S80 $60 $60 $40 $40 $20 $20 10 15 20 25 30 10 15 20 25 30 Years of Service Years of Service Service and Salary c) 30 25 20 15 10 $20 $40 $60 $80 $100 $120 Annual Salary ($000) fooos) Auejes jenuuy Years of Service Annual Salary (S000) in