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
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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Question
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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