A-level Mathematics S1 Representation of data

 10 June 03:56   

    Data that is presented in a analytical address is abundant easier to understand. Appropriately the next move afterwards data accumulating is to lay the advice out in an alike way - usually as a table.

    A able-bodied complete table haveto accept a) A clear, comprehensive, allegorical appellation b) Be systematically formated c) Analyze the antecedent of the data d) All units of measurment haveto be acutely declared (sometimes in the headings of the columns or rows) e) The headings to all columns and rows haveto be actual - if it would be too long, then use a abbreviate appellation Additional a footnote.

    Systematic formating is the harder bit. Actuality you haveto ask yourself what is the purpose of the table: a) To present the data calm in an alike address b) To appearance audible patterns in the data c) To summarise the data In alotof cases, acceptable blueprint is acquired by first allurement what data haveto be presented adjoining to anniversary additional and then allurement added questions such as should totals be shown, should percentages or additional acquired statistics be shown, or would they just ataxia up the table.

    NEEDS SOME EXAMPLES HERE, apparently as cartoon to abstain the limitations of web page apprehension on altered browsers

    SYLABUS EXTRACT:

    pie charts, bar archive abundance polygons, assemble and adapt stem-and-leaf diagrams (including ordered and back-to-back stem-andleaf

    diagrams), box-and-whisker plots, histograms and accumulative abundance graphs - To be written

    To be written