This semester twenty-eight students were asked how
many hours they worked per week. Their responses, in
hours, are as follows: 5, 27, 26, 22, 20, 32, 12, 14, 14, 9, 30,
9, 32, 10, 9, 15, 7, 23, 34, 34, 9, 34, 34, 5, 16, 27, 11, 21
construct a grouped frequency distribution using five
classes.
Part one :I need help with finding the frequency, and cumulative frequency. For the relative frequency, round up your answer to one place as a percent. Put the midpoint, relative frequency, and cumulative frequency in a chart

Part two: what’s the sum of the relative frequency as a percent?