Consider the following data. 13 21 22 21 15 21 24 15 15 18 21 24 23 24 19 15 18 19 19 22 12 16 17 18 22 26 19 25 NN 22 16 19 19 24 16 23 24 21 22 22 23 22 19 (a) Develop a frequency distribution using classes of 12-14, 15-17, 18-20, 21-23, and 24-26. Class Frequency 12-14 15-17 18-20 21-23 24-26 Total (b) Develop a relative frequency distribution using the classes in part (a). (Use all decimal places.) Class Relative Frequency 12-14 15-17 18-20 21-23 24-26 Total