frequency, midpoint, relative frequency, cumulative frequency

The data represent the time, in minutes, spent reading a political blog in a day. 18 7 16 Construct a frequency distribution using 5 classes. In the table, include the 12 4 29 17 10 midpoints, relative frequencies, and cumulative frequencies. Which class has 28 the greatest frequency and which has the least frequency? 15 28 14 8 27 25 12