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Mathematics, 12.05.2021 20:10 jothianddeepi

Class A has 13 pupils and class B has 29 pupils. Both classes sit the same maths test.
The mean score for class A is 31.
The mean score for class B is 61.
What is the mean score (rounded to 2 DP) in the maths test across both classes?

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Answers: 2

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Class A has 13 pupils and class B has 29 pupils. Both classes sit the same maths test.
The me...
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