The following table gives the mean scores for 4 different classes
on the same test.
Class A C...
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Mathematics, 17.11.2020 06:30 Miamibloem4709
The following table gives the mean scores for 4 different classes
on the same test.
Class A Class B Class C Class D
72% 82% 63% 78%
What is the combined average for classes A, B, C and D, if
class A has 30 students, class B has 22 students, class C has
35 students, and class D has 27 students?
A
73.8%
73.5%
B
72.6%
D = 71.9%
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Answers: 3
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