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Mathematics, 05.01.2021 15:00 lilycastillo15

Class A has 11 pupils and class B has 20 pupils. Both classes sit the same maths test.
The mean score for class A is 74.
The mean score for class B is 32.
What is the mean score (rounded to 1 DP) in the maths test across both classes?

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Class A has 11 pupils and class B has 20 pupils. Both classes sit the same maths test.
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