The following sample represents the two data on chlorine residues (in part per million) in a swimming pool at various times (hours) after the water has been treated with chemicals. Time X 0 2 4 6 8
The following sample represents the two data on chlorine residues (in part per million) in a swimming pool at various times (hours) after the water has been treated with chemicals. Time X 0 2 4 6 8
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.EA: Extended Application Using Extrapolation To Predict Life Expectancy
Problem 2EA
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5.- The following sample represents the two data on chlorine residues (in part per million) in a swimming pool at various times (hours) after the water has been treated with chemicals.
Time X
0
2
4
6
8
10
12
Waste And
2.2
1.8
1.5
1.4
1.1
1.1
0.9
a) Calculate a linear regression model for this data.
b) Use the model to estimate the chlorine residue in the pool 8 hours after treating it with chemicals. Why is your answer somewhat different than the 1.1 parts per million that was actually observed at 8 hours?
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