During a period of 30 days, the number of individuals who requested debt relief due to their economic situation in different institutions in the country was recorded. The results were as follows: 31 49 19 62 24 45 23 51 55 60 40 35 54 26 57 37 43 65 18 41 50 56 4 54 39 52 35 51 63 42 Construct a frequency distribution table. Design a graph of the cumulative frequency polygon. How many days did you record less than 30 individuals requesting debt relief? What was the average number of requests on 80% of the days?