How old are professional football players? The 11th Edition of The Pro Football Encyclopedia gave the following information. Random sample of pro football player ages in years: 23, 23, 24, 24, 24, 24, 25, 25, 25, 25, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 28, 28, 28, 28, 29, 29, 30, 30, 30, 31, 31, 31, 31, 31, 32, 33, 33, 34, 35, 39 (a) Mean value == (b) Median == (c) Mode == . (Enter your answer to two (2) decimal places.) . (Enter your answer to one decimal place.)