Bivariate data for the quantitative variables x and y are given in the table below. These data are plotted in the scatter plot shown next to the table. In the scatter plot, sketch an approximation of the least-squares regression line for the data. x y 6.0 6.7 11+ 5.8 4.5 10- 6.6 5.3 5.0 4.2 9- 5.7 7.0 8- 3.3 2.4 7.3 7+ 8.4 8.4 9.1 3.9 1.9 8.9 9.5 7.9 7.9 4- 3.0 1.7 3 7.0 6.1 2+ 3.4 2.0 8.0 8.7 1+ 4.3 4.9 ++ + + ++++ 4.3 3.2 0 3 5 6 7 8 10 11 6.8 7.4 X ค

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 2ECP
Question
Bivariate data for the quantitative variables x and y are given in the table below. These data are plotted in the scatter plot shown next to the table.
In the scatter plot, sketch an approximation of the least-squares regression line for the data.
x
y
6.0 6.7
11+
5.8
4.5
10-
6.6 5.3
5.0
4.2
9-
5.7
7.0
8-
3.3
2.4
7.3
7+
8.4
8.4 9.1
3.9 1.9
8.9
9.5
7.9 7.9
4-
3.0
1.7
3
7.0 6.1
2+
3.4 2.0
8.0
8.7
1+
4.3 4.9
++
+
+
++++
4.3 3.2
0
3
5
6
7
8
10
11
6.8
7.4
X
ค
Transcribed Image Text:Bivariate data for the quantitative variables x and y are given in the table below. These data are plotted in the scatter plot shown next to the table. In the scatter plot, sketch an approximation of the least-squares regression line for the data. x y 6.0 6.7 11+ 5.8 4.5 10- 6.6 5.3 5.0 4.2 9- 5.7 7.0 8- 3.3 2.4 7.3 7+ 8.4 8.4 9.1 3.9 1.9 8.9 9.5 7.9 7.9 4- 3.0 1.7 3 7.0 6.1 2+ 3.4 2.0 8.0 8.7 1+ 4.3 4.9 ++ + + ++++ 4.3 3.2 0 3 5 6 7 8 10 11 6.8 7.4 X ค
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