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linear regression {(15,1),(6.2,1.2),(30.8,1.6),(4.9,1),(31.2,1.1),(30.3,0.8),(0.6,0.3),(22.6,0.9),(31.3,2.3),(8.9,9.7),(1.1,0.38),(31.6,1),(89,4.7)}
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