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curator

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Joined
Mar 10, 2002
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Is there a way to do a best fit line when I have 10 data points that are all over the place??

if so how

help

thanks

-curator
 

Excel Facts

What did Pito Salas invent?
Pito Salas, working for Lotus, popularized what would become to be pivot tables. It was released as Lotus Improv in 1989.
Syntax for this function:
LINEST(known_y's,known_x's)
Although there are two extra arguments, in your case you can disregard them. Has to be entered as an array formula. Because the array formula will return two results (slope and intercept), select a range of two cells, type the array formula and press CTRL+SHIFT+ENTER.
Ex. LINEST({1,3,4,4,7},{2,3,4,5,7}) will return m=1.09 and b=-0.79, hence the best fit line:
y = 1.09 x - 0.79
If you have ten points, the y's and x's arrays will contain ten elements each.
 
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