April 5, 2021
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 G = HW1 + HW2 + HW3 + HW4 + Exam 1 + Exam 2
   G range ~ 0-620
 The class average is  386.89pts
 In traditional curving 386.89 falls into the C+ range; my group
 grading is more generous.

  [Gaps overlap]
 495 <= G <= 620  :  A  range
 370 <= G <= 495  :B+/B range
 300 <= G <= 370  :C+/C range
   0 <= G <= 300  : D/F range
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