Calculation Example
Consider a student with two classes:
- Biology 101: Grade 88%, 4 Credits
- Gym Class: Grade 100%, 1 Credit
Wrong Way (Simple Average): (88 + 100) ÷ 2 = 94%
Right Way (Weighted):
((88 × 4) + (100 × 1)) ÷ (4 + 1)
(352 + 100) ÷ 5 = 452 ÷ 5 = 90.4%
As you can see, the heavy biology class pulls the grade closer to 88, despite the perfect score in the 1-credit class.