The following Minitab display gives information regarding the relationship between the body weight of a child (in kilograms) and the metabolic rate of the child (in 100 kcal/ 24 hr). Predictor Coef SE Coef T Constant 0 . 8354 0. 4148 2 . 06 0 . 84 Weight 0 . 40889 0. 02978 13 . 52 0 . 000 S = 0.517508 R-Sq - 97 . 80 (a) Write out the least-squares equation. V = X (b) For each 1 kilogram increase in weight, how much does the metabolic rate of a child increase? (Use 5 decimal places.) (c) What is the value of the correlation coefficient r? (Use 3 decimal places.)