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? Letxbe the age of the calf (in weeks), and letybe the weight of the calf (in kilograms).

x= 1, 5, 11, 16, 26, 36

y= 39, 47, 73, 100, 150, 200

Complete parts (a) through (e), givenx=95,y=609,x²=2375,y²=81,559,x y=13,777,andr0.997.

(f) The calves you want to buy are23weeks old.What does the least-squares line predict for a healthy weight (in kg)? (Enter a number. Round your answer to two decimal places.)