Mathematics, 10.11.2020 22:30 ani61

Class A has 28 pupils and class B has 9 pupils. Both classes sit the same maths test. The mean score for class A is 56. The mean score for class B is 65. What is the mean score (rounded to 2 DP) in the maths test across both classes?

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Class A has 28 pupils and class B has 9 pupils. Both classes sit the same maths test. The mean score...

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