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Standard Deviation.

Problem Solving — algebra and arithmetic (GMAT Focus Edition)
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by smar83 » Tue Feb 05, 2008 11:29 am
Folks,

Where can i find more DS and PS questions focussing on SD,Median,Modes etc ? I have Kaplan,PR&OG. Anything other than that,I need to find or focus on ? May be some random reading about SD would help ?

Thank you, Any replies are appreciated.
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by beatthegmat » Sun Feb 10, 2008 10:12 pm
Here are some additional resources:

https://www.beatthegmat.com/resources.html
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