Elizabeth has taken 3 exams so far for her sociology class. The first test is worth 35% of her grade, and she scored a 95. Her second and third tests are each worth 20% of her grade. She scored an 80 on test 2 and a 74 on test 3. What is her weighted average score in class so far?
Elizabeth has taken 3 exams so far for her sociology class. The first test is worth 35% of her grade, and she scored a 95. Her second and third tests are each worth 20% of her grade. She scored an 80 on test 2 and a 74 on test 3. What is her weighted average score in class so far?
MATLAB: An Introduction with Applications
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Author:Amos Gilat
Publisher:Amos Gilat
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Elizabeth has taken 3 exams so far for her sociology class. The first test is worth 35% of her grade, and she scored a 95. Her second and third tests are each worth 20% of her grade. She scored an 80 on test 2 and a 74 on test 3. What is her weighted average score in class so far?
Expert Solution
Step 1
Weight | Marks | |
first test | 0.35 | 95 |
second test | 0.2 | 80 |
third test | 0.2 | 74 |
The weighted average is calculated by dividing the sum of multiplying each weight wits its respective value by the sum of weights
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