ocr: Let's put these data into matrix form. The state matrix S shows the current percent of the population in the lower (4), middle (M), and upper (U) classes. L - . MU U. S-[18.76.06] - A transition matrix is a square matrix that shows the probability of going from one state, noted along a row, to: another state, noted along a column. L M U LP ?.20.01 T=M.04?.05 UL01.12 Socio-Economic Classes