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Mathematics, 20.10.2021 19:10 avrihalverson

50 students each did a mathematics test. The mean score for these 50 students was 8.4. There were 30 boys. The mean score for these bots were 8.25. Workout the mean score for the girls.

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50 students each did a mathematics test. The mean score for these 50 students was 8.4. There were 30...

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