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 Post subject: Melx
PostPosted: Tue May 06, 2008 9:45 pm 
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Joined: Thu Sep 14, 2006 7:32 pm
Posts: 410
Hello there

Mds has some revision to do for a math test. He can recall how to use a stem leaf diagram but can anyone explain the quickest way to find the mean, mode and range whenusing one. I have been on bbcrevisewise but cannot find examples of finding the means etc using the stem leaf. Should he use the same method as with any other graph

Thanks

Mel


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PostPosted: Tue May 06, 2008 10:36 pm 
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Joined: Mon Feb 12, 2007 1:21 pm
Posts: 11952
http://www.bbc.co.uk/schools/gcsebitesi ... rev5.shtml


Stem and leaf is usually used to help find the median as you are putting the numbers in order.

Range = largets value - smallest value

Mean - calculate as normal


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