In Exercises 1 and 2, use the data set, which represents the student-to-faculty ratios for 20 public colleges. (Source: Kiplinger) XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX a. Construct a frequency...

In Exercises 1 and 2, use the data set, which represents the student-to-faculty ratios for 20 public colleges.
(Source: Kiplinger)

13 15 15 8 16 20 28 19 18 15

21 23 30 17 10 16 15 16 20 15

a. Construct a frequency distribution for the data set using eight classes. Include class limits, midpoints, boundaries, frequencies, relative frequencies, and cumulative frequencies.

b. Construct a relative frequency histogram using the frequency distribution in Exercise 17. Then determine which class has the greatest relative frequency and which has the least relative frequency