pollution source. The distances and the average pollution are given in the table below: Distance to the pollution 10 2 source (in km) 4. 6 8 (X) Average 9.32 concentration 11.5 10.2 10.3 9.68 (Y)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
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b Answered: a study of pollution in x
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(b) In a study of pollution in a water stream, the concentration of pollution is
measured at 5 different locations. The locations are at different distances to the
pollution source. The distances and the average pollution are given in the table
below:
Distance to
the pollution
10
2
source (in km)
4
6
8
(X)
Average
9.32
concentration
11.5
10.2
10.3
9.68
(Y)
(i) Calculate the correlation coefficient for these data and comment
25
on the relationship between Y and X.
(ii) Find the equation of the regression line.
25
Q-3.pdf
Show all
ENG
9:24 PM
P Type here to search
Ps
79°F
INTL 19-Feb-22
Transcribed Image Text:O Q-3.pdf b Answered: a study of pollution in x + A Imsk.wyb.ac.lk/pluginfile.php/134200/mod_resource/content/1/Q-3.pdf M Gmail O YouTube O Maps E Reading list Q-3.pdf 1 / 1 100% + 42 41 4 8 14 6 (b) In a study of pollution in a water stream, the concentration of pollution is measured at 5 different locations. The locations are at different distances to the pollution source. The distances and the average pollution are given in the table below: Distance to the pollution 10 2 source (in km) 4 6 8 (X) Average 9.32 concentration 11.5 10.2 10.3 9.68 (Y) (i) Calculate the correlation coefficient for these data and comment 25 on the relationship between Y and X. (ii) Find the equation of the regression line. 25 Q-3.pdf Show all ENG 9:24 PM P Type here to search Ps 79°F INTL 19-Feb-22
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