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Another GCSE question

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    I understand nothing of stem and leaf diagrams, please could you help me on how I would write this out

    The image isn't good as it's just an ipod picture but it says

    The heights of the players in a school basketball squad, in centimetres are

    And then it gives you the numbers

    and says complete an ordered stem and leaf diagram to represent this data, remember to complete the key

    Also I don't know what they mean by complete the key

    but here is the question picture
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    Ok, for example, say if I give you the following data: 13, 14, 17, 22, 33, 44. to use a stem and leaf diagram to display this, you'd do something along the lines of this:

    1 l 3 4 7
    2 l 2
    3 l 3
    4 l 4

    (where the lines after the first numbers are supposed to be joined)

    The key would be how to use this stem and leaf diagram. Just give an example like ( 1 l 3 = 13). Simple as that.
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    You may want to look at this powerpoint which includes the stem and leaf diagram method.

    Look at slide #12

    This should try to make you understand.


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