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A student's grades (with units) are: 1.5 (3 units), 1.25 (3 units), 1 (5 units), 1.5 (5 units). What is the weighted average (GWA)?

  1. 1.31
  2. 20.75
  3. 1.55
  4. 1.3

Answer

D. 1.3

Solution

GWA = Σ(grade × units) ÷ Σunits = 20.75 ÷ 16 = 1.3.

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