During a period of 30 days, the number of individuals who requested debt relief

During a period of 30 days, the number of individuals who requested debt relief for their economic situation in different country institutions was recorded. The results were the following: 30 39 29 62 24 35 33 21 55 60 30 35 55 29 55 35 41 55 38 41 50 55 4 54 39 51 35 51 62 41.
Build a frequency distribution table.
Design a graph of the cumulative frequency polygon.
How many days did fewer than 30 individuals apply for debt relief records?
What was the average number of requests on 80% of the days?
It should include at least 2 academic sources, formatted and cited in APA.