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Mathematics, 21.01.2021 20:20 ccarwile01

Class A has 13 pupils and class B has 12 pupils. Both classes sit the same maths test. The mean score for class A is 68. The mean score for both classes is 45. What is the mean score (rounded to 2 DP) in the maths test for class B?

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Class A has 13 pupils and class B has 12 pupils. Both classes sit the same maths test. The mean scor...

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