Trendline question

[juanpablo]

I have the following data:

Ene-08 Feb-08 Mar-08 Abr-08 May-08 Jun-08 Jul-08
8 5000 3802 10400 7600 7400 9800
With this trendline obtaine from the chart:
y = 44,772x - 2E+06

How do I forecast Ago-08
Should x=8
If I want to forecast Feb-09 should x=14?

Thanks

JP

 

[Bernard Liengme]

Please do not cords post. I have answered this in Charts