These are the heights of natasha and her four friends: 5 feet, 2 inches; 5 feet, 3 inches; 5 feet, 7 inches; 5 feet, 9 inches; 6 feet, 0 inches in which situation would the mean of the heights go up the most? a. you add 2 friends that are 5 feet, 8 inches. b. you add 1 friend that is 6 feet, 5 inches and 1 friend that is 5 feet, 3 inches. c. you add 1 friend that is 5 feet, 10 inches. d. you add 4 friends that are 5 feet, 9 inches.