If your X values are in A2:A10 and your Y values are in B2:B10, and if
your known X value is in C1, this formula will provide the Y value along
the least squares fitted line:
=INTERCEPT(B2:B10,A2:A10)+SLOPE(B2:B10,A2:A10)*C1
- Jon
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Jon Peltier, Microsoft Excel MVP
Peltier Technical Services
Tutorials and Custom Solutions http://PeltierTech.com/
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