Multiple Choice
The mean number of students in a classroom at school A is 32.5 and there are 25 classrooms. The mean number of students at school B is 29.6 in 12 classrooms. At school C the mean in each class is 15.3 for 10 classrooms. What is the mean number of students per classroom for all the schools combined?
A) 1320.7
B) 28.1
C) 25.7
D) 28.7
Correct Answer:
Verified
Correct Answer:
Verified
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