Any data that is organized in columns and rows can be represented as a matrix. Matrices are used to represent real-world data such as the habits, or traits of a population of people.
Eye Color In Class
| Gender | Brown Eyes | Blue Eyes | Green Eyes | Black Eyes |
| Male | 9 | 3 | 2 | 4 |
| Female | 2 | 11 | 4 | 5 |
Table above Expressed as Matrix
Student Populations At Certain Manhattan High Schools
| Gender | George Washington | Brandeis | JFK |
| boys | 230 | 250 | 225 |
| girls | 223 | 229 | 249 |
Create a Matrix based on the data represented in the table above.
Show Matrix
U.S Households with Television (in millions)
| Type | 1980 | 1982 | 1984 | 1990 |
| Color | 82 | 85 | 88 | 93 |
| Black & White | 51 | 47 | 43 | 36 |
(source: Nielsen Media Research) Create a Matrix based on the data represented in the table above.
Show Matrix
