Standard Deviation Tutorials

gabriel: Legendary Member; Posts: 986; Joined: Wed Dec 20, 2006 11:07 am; Location: India; Thanked: 51 times; Followed by:1 members

by gabriel » Fri Feb 20, 2009 5:14 pm

Believe me the only thing you need to know about standard deviation for the GMAT is its formula and its definition.

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marouan: Senior | Next Rank: 100 Posts; Posts: 38; Joined: Mon Oct 06, 2008 5:21 am

by marouan » Mon Feb 23, 2009 8:05 am

This picture explain to you what you really need to know for the GMAT:

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