Re: Least Square fitting

Thanks for the help Rod. Yes, it is in Kg (strange, I know). I plot
the data and fit a "rough" curve to it and found that the intercept of
the line goes through the point (roughly) 3.6 and not the 0. This would
lend support to your idea that the measurements of length are of the
total length and not just the extension. However, that being said, can
you think of any reason why this might not be the case?

.

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