Question

Course Credit Hours Grade Calculus 4 C(2.0) Biology 4 C(2.0) English 3 A(4.0) Music 3 D(1.0)...

Course Credit Hours Grade
Calculus 4 C(2.0)
Biology 4 C(2.0)
English 3 A(4.0)
Music 3 D(1.0)
PE 1 B(3.0)
History 3 A(4.0)

What is the weighted mean grade?

Math   Statistics-And-Probability   
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Answer #1

Total credit = 4 + 4 + 3 + 3 + 1 + 3 = 18

Weighted mean grade = sum of (credit * grade) / total credit

                                    = (4*2 + 4*2 + 3*4 + 3*1 + 1*3 + 3*4) / 18

                                    = 2.56

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