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s2008m [1.1K]
3 years ago
12

A student of the author earned grades of 92, 83, 77, 84, and 82 on herfive regular tests. She earned grades of 88 on the final e

xam and 95 on her class projects. Hercombined homework grade was 77. The five regular tests count for 60% of the final grade, thefinal exam counts for 10%, the project counts for 15%, and homework counts for 15%.What is her weighted mean grade? What letter grade did she earn? (A, B, C, D, or F)
Mathematics
1 answer:
goblinko [34]3 years ago
8 0

The class is weighted as follows:

60% Regular Tests

10% Final Exam

15% Project

15% Homework

The total weighted points possible for the class are as follows:

(100+100+100+100+100)*.6 + 100*.1 + 100*.15 + 100*.15 = 340

To calculate her individual final weighted grade we plug in her scores for each category and complete the following computation:

(92+83+77+84+82)*.6 + 88*.1 + 95*.15 + 77*.15 = 285.4

So her weighted grade percent would be 285.4/340 = 83.9% which is a B.

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