Here are data describing the air pollution rate (in ppm of particles in the air) in western city: Year 1980 1985 1990 1995 Pollution rate 220 350 800 1450 a) Plot the data with a suitable scale and define the shape. b) Would a linear or a second-degree estimating equation provide a better prediction of future pollution in that city? c) Estimate pollution rate for 2000

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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Here are data describing the air pollution rate (in ppm of particles in the air) in western city:

Year

1980

1985

1990

1995

Pollution rate

220

350

800

1450

 

a) Plot the data with a suitable scale and define the shape.

b)      Would a linear or a second-degree estimating equation provide a better prediction of future pollution in that city?

c) Estimate pollution rate for 2000

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