Name of graph

Hi,

Anyone know what the line in the first bar chart is called? I call it
a "summary" line, but that's wrong. ISTR it being referred to
something that involved the word "frequency", but I may be off my
trolley...

You'll need a browser other then MSIE to see them. Thanks.

--
Richard Heyes

HTML5 Graphing for FF, Chrome, Opera and Safari:
http://www.phpguru.org/RGraph

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