The Mean Number of Students in a Classroom at School

question 112

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

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Definitions:

Future Income

Anticipated earnings or revenue in the coming periods, often considered in the context of budgeting and financial planning.

Durability

The ability of something to withstand wear, pressure, or damage, thus extending its useful life.

Proximity

The physical or psychological closeness between people, which can influence relationships and social interactions.

Similarity

The state of being alike or having attributes in common, often used to describe relationships or comparisons between objects, ideas, or individuals.