Two Sections of a Class Took the Same Quiz

question 1

Multiple Choice

Two sections of a class took the same quiz. Section A had 15 students who had a mean score of 80, and Section B had 20 students who had a mean score of 90. Overall, what was the approximate mean score for all of the students on the quiz?

• A) 85.7
• B) 85.0
• C) It cannot be determined.
• D) 84.3
• E) none of these

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