The weighted mean can be calculated as follows:
(0.35 x 85) + (0.15 x 90) + (0.25 x 79) + (0.25 x 85) = 29.75 + 13.5 + 19.75 + 21.25 = 84.25
Therefore, the weighted mean for the student's chemistry grade is 84.25.
Some teachers use a weighted mean to calculate gradesEach score assigned a weight based on importanceTo find a weighted mean, each score by its weight and add Reports the For examplea student's chemistry grade is based on four sources 35% from 15% from , 25% from the midterm examand 25% from the final exam What the weighted mean given the scores shown in the table? Exam 79 Final Exam The student's score your Type an interger or a )
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