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
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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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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