The data represent the​ time, in​ minutes, spent reading a political blog in a day. Construct a frequency distribution using 5 classes . In the​ table, include the​ midpoints, relative​ frequencies, and cumulative frequencies. Which class has the greatest frequency and which has the least​ frequency?
13 18 11 18 7
19 6 10 12 7
14 17 18 6 16
18 10 1 0 15
complete the table starting with lowest class limit
class frequency midpoint r.frequency c. frequency