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compute r and r2 (death rate ) 3.3,3.6,3.7,3.8,4.4,4.6,5.0,5.2,5.4,6.7 (speed limit) 51,51,51,66,51,56,51,61,56,71

compute r and r2 (death rate ) 3.3,3.6,3.7,3.8,4.4,4.6,5.0,5.2,5.4,6.7 (speed limit) 51,51,51,66,51,56,51,61,56,71

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