Mathematics, 13.07.2021 15:30 lakiprincess

Class A has 9 pupils and class B has 24 pupils. Both classes sit the same maths test.
The mean score for class A is 40.
The mean score for class B is 20.
What is the mean score (rounded to 2 DP) in the maths test across both classes?

Answers: 3

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Class A has 9 pupils and class B has 24 pupils. Both classes sit the same maths test.
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Class A has 9 pupils and class B has 24 pupils. Both classes sit the same maths test. The mean score for class A is 40. The mean score for class B is 20. What is the mean score (rounded to 2 DP) in the maths test across both classes?

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Class A has 9 pupils and class B has 24 pupils. Both classes sit the same maths test.
The mean score for class A is 40.
The mean score for class B is 20.
What is the mean score (rounded to 2 DP) in the maths test across both classes?