. For which data set is the sample correlation coefficient r closest to 0? B. Which data set has an apparent negative, but not perfect, linear relationship between its two variables?
. For which data set is the sample correlation coefficient r closest to 0? B. Which data set has an apparent negative, but not perfect, linear relationship between its two variables?
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.CR: Chapter Review
Problem 37E: Find the positive geometric mean between 4 and 64.
Related questions
Question
A. For which data set is the sample
B. Which data set has an apparent negative, but not perfect, linear relationship between its two variables?
Transcribed Image Text:W
t
1.0 8.2
2.0
4.8
3.0 10.3
4.0 6.3
5.
5.0
1.7
4+
6.0 5.1 3.
7.0 9.5
2.
1
8.0
3.8
9.0 9.3
10.0 6.6 Figure 3
11
10+
9-
8 X
7
6 +
0
X
2
X
3
X
4
X
5
X
6
7
X
8
X
X
W
9 10 11
m n
1.0 4.0
2.0 6.3
3.0 7.2
n
11+
10+
9+
8+
7-
4.0 4.2
5.0 5.1
6.0 8.3
7.0 5.6
8.0 7.1
9.0 9.1
10.0 7.9 Figure 4
4+ X
3-
2
0
X
X
3 4
X
3
X
6
X
7
X
8
X
9
X
m
10 11
Transcribed Image Text:Below are four bivariate data sets and their scatter plots. (Note that all of the scatter plots are displayed with the same scale.) Each data set is made up of
sample values drawn from a population.
x y
11
1.0 10.0 10- X
9+
8+
7+
6.
2.0 9.0
3.0 8.0
4.0 7.0
5.0
6.0
6.0 5.0
7.0 4.0
8.0 3.0
9.0 2.0
10.0 1.0 Figure 1
5+
4+
3-
2+
1.
0
+
X
X
6
X
X
X
8
X
x
9 10 11
11-
u V
1.0 8.3 10+
2.0 6.8
3.0 7.9
4.0 5.9
9-
8+
7+
6.
5.0 6.9
6.0 4.6
7.0 5.1
8.0 3.5
9.0 4.5
10.0 2.8 Figure 2
4-
3+
2+
0
X
X
X
6
*
8 9
X
10 11
U1
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