10. Modern medical practice tells us not to encourage babies to become too fat. Is there positive correlation between the weight x of a 1-year-old baby and the weight y of a mature adult (30 years old)? A random sample of medical file produced the following information for 14 females: "I have metal fillings in my teeth. My refrigerator magnets keep pulling me into the kitchen. That's why I can't lose weight!" x(1b) 21 25 23 24 20 15 25 21 17 24 26 22 18 19 y(1b) 125 125 120 125 130 120 145 130 130 130 130 140 110 115 a. Use your calculator to find the equation of the regression line. b. If a female baby weighs 20 lbs at 1 year, what would the regression line predict she would weigh at 30 years of age? 11. Match the following r-values with the following graphs. a. 7 = 0 use this twice b. r= -0.9 C. r = 0.4 d. r=-1 e. r = 0.9 f. r = -0.4 g. r= 1. (e) Strong negative linear In Weak neantive liness 23