Data were collected on the Facebook website about the most liked fast food brands. The data values

Question:

Data were collected on the Facebook website about the most "liked" fast food brands. The data values (the number of "likes" for each fast food brand) for the brands named ranged from 1.0 million to 29.2 million.
a. If these values are grouped into six class intervals, indicate the class boundaries.
b. What class interval width did you choose?
c. What are the six class midpoints?