The Quick Change Oll Company has a number of outlets in the metropolitan Seattle area. The daily number of oll changes at the Oak Street outlet in the past 20 days are: The data are to be organized into a frequency distribution. Click here for the Excel Data Flle a. How many classes would you recommend? b. Outside of Connect, what class interval would you suggest? c. Outside of Connect, what lower limit would you recommend for the first class? d. Organize the number of oil changes into a frequency distribution. (Round "Relative Frequency" answers to 2 decimal places.)