nrow = 10 ncol = 7 student_info = matrix( c(98,74,71,80,67,82,72, 109,87,77,93,75,93,80, 121,85,84,91,77,96,84, 105,127,80,122,91,118,88, 96,90,68,90,71,91,71, 95,116,76,111,84,110,80, 155,51,100,75,74,80,93, 131,131,97,132,100,131,100, 96,129,74,123,89,121,84, 110,87,80,92,76,95,80), nrow = nrow, ncol = ncol, byrow = TRUE)