You are the foreman of the Bar-$ 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) M 100 150 200 Complete parts (a) through (e), given Ex - 95, Ey - 609, Ex - 2375, Ey"- 81,559, Exy = 13,777, and r = 0.997