Mean of two sets

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goelmohit2002: Legendary Member; Posts: 1799; Joined: Wed Dec 24, 2008 3:03 am; Thanked: 36 times; Followed by:2 members

Mean of two sets

by goelmohit2002 » Thu Oct 08, 2009 12:14 am

Hi All,

When two sets A and B are combined, then mean of set C lies between mean of set A and B.

E.g. if mean of set A = 2
if mean of set B = 5
then 2 <= mean of C <= 5.

Can someone please tell why ? Why mean lies between these two figures ?

Thanks
Mohit

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