The data represents the body mass index (BMI) values for 20 females. Construct a frequency distribution beginning with a lower class limit of 15.0 and use a class width of 6.0. What upper class limit of the fifth class? 38, 34.8, 40.1, 22.4, 46.1, 24.2, 20.7,49.5, 34.1, 32.1, 27.4, 23.8, 57.2, 21.3, 38.1, 41.7, 56.1, 20.6, 18.4, 43.1