Based on the following tree and information, answer the following question: Target variable: antibody (two categories) Important group= yes Variables entered into the model: age, gender, country, social distancing, wave, severity, pre-existing condition #no 347 severe antibody Node O Category % n no yes 53.9 997 46.1 852 Total 100.0 1849 severity Adi P-value=0.000, Chi-square=1435 221, d=2 mild Node 1 Node 2 Category Category no yes 00 0 100.0 668 no Sax Total 36.1 688 Total 55 4 226 44.6 182 22 1 208 ne symptom Node Category 196 99.7 771 no Ives 0.3 2 Total 41.8 773 Ad F-value 0.000 Chi-square 15 869 61 ecial distancing Adi Piaveno 000, Chiguate-17