Please help answer and explain each question

Check my w The Wachesaw Manufacturing Co. produced the following number of units in the last 16 days: 30 30 30 31 30 28 28 31 29 31 29 31 34 33 29 29 The information is to 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 4 decimal places.) Relative Units Frequency frequency 27 to under 28.5 28.5 to under 30.0 30.0 to under 31.5 31.5 to under 33.0 33.0 to under 34.5 Totale. Comment on the shape of the distribution. The largest concentration is in the |:| up to |:| frequency (|:| )