This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Identification, Subject name: Forensic Medicine
[{'content': "Pearson's formula is used for - \nSelect and explain. \nA. Cephalic index, B. Stature, C. Race, D. Age", 'role': 'user'}, {'content': 'Answer: B \nExplanation: STATURE * The most common method used- linear regression. * With this technique, the known statures of adults in a given population are plotted against the lengths of skeletal elements and the best lines are fitted to the scatter plots * Various regression formulae for calculating height have been compiled, based on a number of different populations and sex. * Karl pearson&;s formula: a constant factor is to be added to the product of the length of the bone with the multiplying factor * femur- (Males) 81.306 +1.880 x length of femur, (072.884+1.945 x length * Tibia -- (M)78.664 + 2.376 x length, (F) 74.774 +2.352 X length * Humerus -- 70.641+2.891 x length, (F)71.745+ 2.754 x length Ref: P.C.Ignsitus Textbook of Forensic Medicine and Toxicology,3rd edition,Page 96.', 'role': 'assistant'}]