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Mathematics, 11.05.2021 01:00 ttangelique

Class A has 21 pupils and class B has 30 pupils. Both classes sit the same maths test. The mean score for class A is 52. The mean score for both classes is 58. What is the mean score (rounded to 1 DP) in the maths test for class B?Class A has 21 pupils and class B has 30 pupils. Both classes sit the same maths test. The mean score for class A is 52. The mean score for both classes is 58. What is the mean score (rounded to 1 DP) in the maths test for class B?

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Class A has 21 pupils and class B has 30 pupils. Both classes sit the same maths test. The mean scor...
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