Question #6421475Single Choice
Algebra-1
Question
The scores of a group of students on a difficult exam are {50, 60, 65, 70, 75, 80, 85, 90, 95, 100}. If the teacher decides to curve the grades by adding 10% of each score to the original score, what will be the new mean?
Options
A
72.5
B
77.5
C
84.7
D
87.5
Answer & Analysis
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