Excel formula: To give letter grade corresponding to score range:
You can change the scoring levels in the formula as desired.
=IF(A4>=90,"A",IF(A4>80,"B",IF(A4>=70,"C",IF(A4>=60,"D","E"))))
Weighted average: Where there is a different percentage for the value of each assignment in
relation to the total. For example, Assignment 1 is 15% of the total and Assignment 2 is 35 % of
the total. Formula:
=Assignment1score cell*percent1 + Assignment2score cell * percent2 + Assignment3score
cell*percent3
i.e. =B3*.15 + B4*.35 + B5*.5