The Wachesaw Manufacturing Co. produced the following number of units in the last 16 days: 27 31 30 26 28 27 27 29 26 30 31 27 29 27 29 25 The information is to be organized into a frequency distribution. a. How many classes would you recommend? b. What class interval would you suggest? (Round the final answer to 1 decimal place.) c. What lower limit would you recommend for the first class? d. Organize the information into a frequency distribution and determine the relative frequency distribution. (Round the final answers to 3 decimal places.)