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Class A has 11 pupils and class B has 20 pupils. Both classes sit the same maths test. The mean score for class A is 74. The mean score for class B is 32. What is the mean score…
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Class A has 11 pupils and class B has 20 pupils. Both classes sit the same maths test. The mean score for class A is 74. The mean score for class B is 32. What is the mean score…
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Nov 7, 2022
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Class A has 11 pupils and class B has 20 pupils.
Both classes sit the same maths test.
The mean score for class A is 74.
The mean score for class B is 32.
What is the mean score (rounded to 1 DP) in the maths test across both classes?
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Tirath
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Answer:
11(74)+20(32)=1454
1454÷31=46.9
StackOverlord
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Nov 12, 2022
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StackOverlord
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