Practice of a Simple LSQ Fitting Problem You are given a data set showing the occurrence rate of a disease (D) at a certain age (A). IL Please describe (in your own words) the relation between these two factors. 2 Could you use a mathematical model to represent this relation? If positive, please give an explicit form of the model. Besides, give the parameter values of the model. 3. How confident are you on the above mentioned model? How can you evaluate it? 'Age (A)' 20 25 30 | 35 | 40 | 45 | 50 55 60 65 70 75 80 Disease Rate 16% | 12% | 10% | 6% | 3% | 8% | 10% | 17% | 23% | 32% | 45% | 56% | 68% (D)