elow are four bivariate data sets and their scatter plots. (Note that all of the scatter płots are displayed with the same scale.) Each data set is made up of ample values drawn from a population. y 11+ 11- 1.0 7.6 2.0 8.9 1.0 7.8 2.0 4.4 10+ 10- 9- 9- 3.0 6.8 3.0 10.0 7- 4.0 5.5 4.0 5.9 5.0 8.2 6.0 4.9 |5.0 19 4- 6.0 5.0 TE 7.0 4.2 8.0 7.1 9.0 6.1 10.0 4.0 Figure 1 |7.0 9.2 8.0 3.5 P 10 11 9.0 9.2 89 10 11 10.0 6.7 Figure 2 1.0 2.7 2.0 4.1 3.0 3,7 4.0 5.1 5.0 4.2 1.0 8.4 10 10- 2.0 7.0 3.0 7.4 4.0 6.0 7. 5.0 6.8 6.0 4.5 4- 4- 6.0 6.7 7.0 5.9 3- 2- 7.0 49 8.0 3.8 2- 8.0 73 90 7.1 0 10 11 2. 9.0 4.2 10.0 7.8 Figure 4 10.0 3.3 Figure 3 Answer the following questions about the relationships between pairs of variables and the values of r, the sample correlation coefficient. The same response may be the correct answer for more than one question. X 5 ? (a) For which data set is the sample correlation coefficient r dosest to -1? I Don't Know Submit Privacy Conter Accessibity Tierms of Use 2021 McGraw Hill LLC AR Rights Reserved
elow are four bivariate data sets and their scatter plots. (Note that all of the scatter płots are displayed with the same scale.) Each data set is made up of ample values drawn from a population. y 11+ 11- 1.0 7.6 2.0 8.9 1.0 7.8 2.0 4.4 10+ 10- 9- 9- 3.0 6.8 3.0 10.0 7- 4.0 5.5 4.0 5.9 5.0 8.2 6.0 4.9 |5.0 19 4- 6.0 5.0 TE 7.0 4.2 8.0 7.1 9.0 6.1 10.0 4.0 Figure 1 |7.0 9.2 8.0 3.5 P 10 11 9.0 9.2 89 10 11 10.0 6.7 Figure 2 1.0 2.7 2.0 4.1 3.0 3,7 4.0 5.1 5.0 4.2 1.0 8.4 10 10- 2.0 7.0 3.0 7.4 4.0 6.0 7. 5.0 6.8 6.0 4.5 4- 4- 6.0 6.7 7.0 5.9 3- 2- 7.0 49 8.0 3.8 2- 8.0 73 90 7.1 0 10 11 2. 9.0 4.2 10.0 7.8 Figure 4 10.0 3.3 Figure 3 Answer the following questions about the relationships between pairs of variables and the values of r, the sample correlation coefficient. The same response may be the correct answer for more than one question. X 5 ? (a) For which data set is the sample correlation coefficient r dosest to -1? I Don't Know Submit Privacy Conter Accessibity Tierms of Use 2021 McGraw Hill LLC AR Rights Reserved
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:elow are four bivariate data sets and their scatter płots. (Note that all of the scatter płots are displayed with the same scale.) Each data set is made up of
ample values drawn from a population.
11+
11-
1.0 7.6
2.0 8.9
10+
1.0 7.8
10+
9-
2.0 4.4
9-
8-
3.0 6.8
3.0 10.0
4.0 5.5
6+
54
4.0 5.9
6-
5.0 8.2
5.0 1.9
4-
4-
6.0 4.9
3-
6.0 5.0
7.0 4.2
8.0 7.1
2+
7.0 9.2
2+
8.0 3.5
9.0 6.1
123
E9 10
9.0 9.2
89 10 II
10.0 4.0 Figure 1
10.0 6.7 Figure 2
t
11
1.0 8.4
1.0 2.7
10
10-
9-
2.0 4.1
3.0 3.7
2.0 70
3.0 7.4
7-
4.0 5.1
6-
4.0 6.0
5.0 4.2
5.0 6.8
**
4-
6.0 6.7
6.0 4.5
7.0 5.9
2-
7.0 49
8.0 7.3
8.0 3.8
9.0 4.2
9 10 11
9 10 11
9.0 7.1
10.0 7.8 Figure 4
10.0 3.3 Figure 3
Answer the following questions about the relationships between pairs of variables and the values of r, the sample correlation coefficient. The same response may
be the correct answer for more than one question.
|(a) For which data set is the sample correlation coefficientr closest to-1?
I Don't Know
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Transcribed Image Text:E Knowledge Check
Question 21
3.0 7.4
3.0 3.7
4.0 6.0
6+
4.0 5.1
5-
5.0 6.8
5.0 4.2
6.0 6.7
4-
6.0 4.5
7.0 4.9
34
7.0 5.9
8.0 7.3
9.0 7.1
8.0 3.8
9.0 4.2
10.0 3.3 Figure 3
10.0 7.8 Figure 4
Answer the following questions about the relationships between pairs of variables and the values of r, the sample correlation coefficient. The same r
be the correct answer for more than one question.
(a) For which data set is the sample correlation coefficient r closest to -1?
the w, t data set
(b) For which data set is the sample correlation coefficient r equal to 1?
the w, t data set
(c) For which data set is the sample correlation coefficient r closest to 0?
the u, v data set
(d) Which data set indicates the strongest positive linear relationship between its
two variables?
the m, n data set
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