• Question 2(25 points)
We record the observed losses (in millions) for a given portfolio over a period of one year, and you are
given
Interval Frequency Cumulative frequency
0-10 14 14
10-20 15
20-30 16 45
30-40 18 63
40-50 9 72
50-60 82
60-70 12 94
70-100 100
(i) Find the missing values in the table
(ii) Compute the average loss
(iii) Compute the variance of the losses
(iv) Determine the median loss
(v) Determine the value, Lo, such that 90% of the losses are less or equal to Lo