Question

12. Find the weighted average of the student's grades listed below, using the given percentage value for each category. Assignment Score (%) Weight Test 1 83 30% Test 2 94 30% Homework 84 10% Quizzes 87 10% Final Exam 79 20% %

Answer 1

To calculate a weighted average with percentages, each category value must first be multiplied by its percentage. Then all of these new values must be added together, as follows:

(83 * 0.3) + (94 * 0.3) + (84 * 0.1) + (87 * 0.1) + (79 * 0.2) = 86