### Determine a best (least-squares) ft parabola of the form

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##### Reference no: EM131023268

The drying time of varnish depends on the amount of certain chemical that s added.

a. Determine a best (least-squares) ft parabola of the form:

T(m) = x1 + x2m + x3m^2 to the data provided n the table below

b) Also, estimate the drying time of the varnish when 3.5 grams of the chemical are added.

Mass (m) of Additive (Grams) Drying Time (T) (Hours)
1 8.5
2 8.0
3 6.0
4 5.0
5 6.0
6 5.5
7 6.5
8 7.0

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