2.2 Summarizing Data for a Quantitative Variable 51 Exercises Methods 11. Consider the following data. 14 file 24 19 16 16 16 WEB 17 23 26 21 23 20 Frequency 20 a. Develop a frequency distribution using classes of 12-14, 15-17, 18-20.21-23,and 24-26. b. Develop a relative frequency distribution and a percent frequency distribution using the classes in part (a). Consider the following frequency distribution. 12