=+40. Salary by job type. At a small company, the head of human resources wants to examine salary to prepare annual reviews. He selects 28

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=+40. 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 01 = Stocking clerk to 99 = President. He plots Salary ($) against Job Type and finds a strong linear relationship with a correlation of 0.96.

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