GCSE Secondary Maths Age 13-17 - Probability & Statistics: Mean - Explained

The video tutorial explains how to calculate mean marks for boys in a class, given the mean marks for girls and the entire class. It emphasizes the importance of understanding mean calculations for exams like GCSE. The tutorial walks through calculating total marks for girls, the entire class, and then determining the boys' mean marks. It concludes with an explanation of the mark scheme, highlighting the points awarded for correct calculations.

How many marks did the boys gain?

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What is the mean mark for the girls in the class?

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How many total marks did the girls gain?

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What is the total number of students in the class?

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What is the mean mark for the boys?

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