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Mathematics, 22.11.2019 11:31 PrincessKehlani15
Class a has 11 pupils and class b has 15 pupils.
both classes sit the same maths test.
the mean score for class a is 77.
the mean score for both classes is 49.
what is the mean score (rounded to 2 dp) in the maths test for class b?
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Class a has 11 pupils and class b has 15 pupils.
both classes sit the same maths test.
the...
both classes sit the same maths test.
the...
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