Salary by job type. At a small company, the head of human resources wants to examine salary to prepare annual reviews. He selects 28 employees at random with job types ranging from Stocking clerk to He plots Salary ($) against Job Type and finds a strong linear relationship with a correlation of 0.96.

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Salary 200,000- 150,000 100,000 50,000 20 40 60 80 100 Job Type