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    Hiya,

    Just woundering how do you do standard deviation on a sharp or casio caculator?!

    I know how to do the caculation, but this if for a biology isa..so i just need to do it quickly - so would be much easier!

    Hate biology ISA's Have a feeling its gona bring down my overall grade.

    But anyway, any help please? Would love step by step instructions or a good/useful link

    Or if not step by step then atleast a summary! anythingggg. pleasee!
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    http://support.casio.com/pdf/004/fx-83_85GT_PLUS_E.pdf

    Page 22..
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    I urgently need some practice SD questions with answers! anyone have any? please!!!!
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    http://www.analyzemath.com/statistics/mean.html ?
 
 
 
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