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Mathematics, 30.10.2020 01:00 jaylynomalley

22 The students in Class A and in Class B take the same examination. There are 28 students in Class A and 32 students in Class B. The mean score for all the students in both classes is 72.6 The mean score for the students in Class A is 75 (a) Work out the mean score for the students in Class B.

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22 The students in Class A and in Class B take the same examination. There are 28 students in Class...

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