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You are the foreman of the Bar-S cattle ranch in Colorado. A neighboring ranch has calves for sale, and you are going to buy some calves to add to the Bar-S herd. How much should a healthy calf weigh? Let x be the age of the calf (in weeks), and let y be the weight of the calf (in kilograms). x 3 5 9 16 26 36 y 43 49 74 100 150 200 Find the equation of the least-squares line ŷ = a + bx. (Round your numerical values to four decimal places.)
ŷ =
Sagot :
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