Question: x 0 1 2 3 4 5 6 y 231 253.3 273.8 284.1 294.1 303.6 383.7 The given data can be modelled by a cubic

x 0 1 2 3 4 5 6
y 231 253.3 273.8 284.1 294.1 303.6

383.7

The given data can be modelled by a cubic regression function.

When written in the form y=ax3+bx2+cx+d, the value ofa, to the nearest hundredth is

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