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David Biddulph[_2_] David Biddulph[_2_] is offline
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Default How do I calculate a trendline?

Look in Excel's Help at functions such as LINEST, LOGEST, and TREND.
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David Biddulph

"anromath" wrote in message
...
I don't think I can use the system-generated one in my chart because my
boss
wants to drop the high and low values.