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Same Surface, Different Deep Structure maths problems from Craig Barton @mrbartonmaths

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Mean Maths

February 18, 2019February 18, 2019 Craig Barton

Author: Jacqueline Juden

Posted in Based on a ContextTagged A Level > Statistics > Advanced probability, Statistics > Averages and range > Mean from a list of data

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a : b = 3 : 7 (part 1)

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