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 coefficient r closest to -1? (Choose one) (b) For which data set is the sample correlation coefficient r equal to 1? (Choose one) (c) For which data set is the sample correlation coefficient r closest to 0? (Choose one) (d) Which data set indicates the strongest positive linear relationship between its two variables? (Choose one)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
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 coefficient r closest to -1?
(Choose one)
(b) For which data set is the sample correlation coefficient r equal to 1?
(Choose one)
(c) For which data set is the sample correlation coefficient r closest to 0?
(Choose one)
(d) Which data set indicates the strongest positive linear relationship between its
two variables?
(Choose one)
Transcribed Image Text: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 coefficient r closest to -1? (Choose one) (b) For which data set is the sample correlation coefficient r equal to 1? (Choose one) (c) For which data set is the sample correlation coefficient r closest to 0? (Choose one) (d) Which data set indicates the strongest positive linear relationship between its two variables? (Choose one)
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.
1.0 8.1
2.0 6.9
3.0 7.5
1.0 6.5
2.0 9.8
1.
3.0 3.4
4.0 6.1
1.
5.0 7.2
4.0 8.8
5.0 5.2
6.0 4.5
6.0 2.0
7.0 4.8
7.0 6.0
24
8.0 3.2
8.0 10.0
9.0 4.7
10.0 7.9 Figure 2
9.0 4.4
10.0 2.9 Figure 1
1.0 4.3
1.0 3.0
2.0 4.3
3.0 3.6
4.0 5.5
2.0 6.1
3.0 7.3
4.0 4.5
5.0 5.0
6.0 8.1
7.0 5.7
8.0 7.4
9.0 8.9
10.0 7.7 Figure 3
5.0 4.4
6.0 7.3
7.0 5.7
8.0 7.9
9.0 7.5
10.0 8.1 Figure 4
Continue
Submit
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. 1.0 8.1 2.0 6.9 3.0 7.5 1.0 6.5 2.0 9.8 1. 3.0 3.4 4.0 6.1 1. 5.0 7.2 4.0 8.8 5.0 5.2 6.0 4.5 6.0 2.0 7.0 4.8 7.0 6.0 24 8.0 3.2 8.0 10.0 9.0 4.7 10.0 7.9 Figure 2 9.0 4.4 10.0 2.9 Figure 1 1.0 4.3 1.0 3.0 2.0 4.3 3.0 3.6 4.0 5.5 2.0 6.1 3.0 7.3 4.0 4.5 5.0 5.0 6.0 8.1 7.0 5.7 8.0 7.4 9.0 8.9 10.0 7.7 Figure 3 5.0 4.4 6.0 7.3 7.0 5.7 8.0 7.9 9.0 7.5 10.0 8.1 Figure 4 Continue Submit
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman