Let's say we want to find the final grades for 3 girls, and we know what their averages are for tests, projects, homework, and

Question

Let's say we want to find the final grades for 3 girls, and we know what their averages are for tests, projects, homework, and quizzes.
Student             Tests          Projects        Homework           Quizzes
Alexandra            92              100                89                          80
Megan                 72               85                  80                          75
Brittney                88              78                  85                          92
We also know that tests are 65% of the grade, projects 10%, homework 5%, and quizzes 20%.
(A) Create three matrices. One for the categories (table above), one for their weights (sentence above) and one for their final grades. Label rows and columns on all three.
(B) What does 78 represent in your matrix above? Be specific.
(C) What was Brittney's final grade?

Kunduz · Accepted Answer

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