Mathematics, 19.09.2021 14:00 Giabear23

Class A has 26 pupils and class B has 26 pupils. Both classes sit the same maths test. The mean score for class A is 20. The mean score for class B is 39. What is the mean score (rounded to 1 DP) in the maths test across both classes?

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Class A has 26 pupils and class B has 26 pupils. Both classes sit the same maths test. The mean scor...

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