Mathematics

Mathematics

Problem

## EXPLORATION 2 Interpolating Points with a Polynomial 1. Use cubic regression to fit a curve through the four points given in the table.
xx-2138
yy20.5-0.21.25
2. Use quartic regression to fit a curve through the five points given in the table.
xx34568
yy-2-4-183
How good is the fit in each case? Why?

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