2. The following table, from Categorical Data Analysis by Alan Agresti (1990) and reprinted from Gallagher et al. (1987), shows the counts from a sample of psychiatrists that have been classified by their school of psychiatric thought and their opinions on the origin of schizophrenia. Answer a) - d) with "by- hand" calculations, showing your work. School of Psychiatric Origin of Schizophrenia Thought Biogenic Environmental Combination Eclectic 90 12 78 Medical 13 1 6 Psychoanalytic 19 13 15 a) What percentage of these psychiatrists identify with the medical school of psychiatric thought? b) What percentage of these psychiatrists believe that the origin of schizophrenia is environmental? c) What percentage of these psychiatrists identify with the eclectic school of psychiatric thought and believe that the origin of schizophrenia is biogenic? d) Of the psychiatrists who identify with the psychanalytic school of psychiatric thought, what percentage believe that the origin of schizophrenia is a combination of biogenic and environmental factors