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Matrices

In the Real World

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.
This Page: Variables & Matrices
Other Pages: Introduction to Matrices | Matrix Equations | Matrix Transformations | Matrix Movie Effect
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 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  
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