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Below are four bivariatțe 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 3.9 2.0 5.5 3.0 7.0 4.0 4.7 5.0 5.1 6.0 8.0 7.0 5.4 8.0 6.9 9.0 8.7 10.0 7.9 Figure 1 1.0 8.1 2.0 7.0 3.0 7.9 10- 9- 9- 7- 7- 4.0 6.1 6- 5- 5- 5.0 6.7 4- 4+ x 6.0 4.5 7.0 4.7 8.0 3.2 9.0 4.1 3- 3- 2- 10.0 2.6 Figure 2 1.0 3.0 2.0 4.3 3.0 3.7 4.0 5.0 1.0 7.7 2.0 4.6 3.0 10.0 10- 10- 9- 7- 6- 4.0 5.9 5- 5.0 4.5 6.0 7.4 7.0 6.0 5.0 1.8 4- 6.0 5.2 7.0 9.2 8.0 3.3 3- 2- 3- 2- 8.0 7.9 9.0 6.6 10.0 8.3 Figure 3 9.0 9.2 10.0 6.6 Figure 4 Answer the following questio be the correct answer for more than one question. about the relationships between pairs of variables and the values of 7, the sample correlation coefficient. The same response may (a) Which data set indicates the strongest positive linear relationship between its two variables? ? (Choose one) (b) For which data set is the sample correlation coefficient r closest to -1? (Choose one) (c) For which data set is the sample correlation coefficient closest to 0? (Choose one) (d) For which data set is the sample correlation coefficient r equal to 1? (Choose one)

Below are four bivariatțe 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 3.9 2.0 5.5 3.0 7.0 4.0 4.7 5.0 5.1 6.0 8.0 7.0 5.4 8.0 6.9 9.0 8.7 10.0 7.9 Figure 1 1.0 8.1 2.0 7.0 3.0 7.9 10- 9- 9- 7- 7- 4.0 6.1 6- 5- 5- 5.0 6.7 4- 4+ x 6.0 4.5 7.0 4.7 8.0 3.2 9.0 4.1 3- 3- 2- 10.0 2.6 Figure 2 1.0 3.0 2.0 4.3 3.0 3.7 4.0 5.0 1.0 7.7 2.0 4.6 3.0 10.0 10- 10- 9- 7- 6- 4.0 5.9 5- 5.0 4.5 6.0 7.4 7.0 6.0 5.0 1.8 4- 6.0 5.2 7.0 9.2 8.0 3.3 3- 2- 3- 2- 8.0 7.9 9.0 6.6 10.0 8.3 Figure 3 9.0 9.2 10.0 6.6 Figure 4 Answer the following questio be the correct answer for more than one question. about the relationships between pairs of variables and the values of 7, the sample correlation coefficient. The same response may (a) Which data set indicates the strongest positive linear relationship between its two variables? ? (Choose one) (b) For which data set is the sample correlation coefficient r closest to -1? (Choose one) (c) For which data set is the sample correlation coefficient closest to 0? (Choose one) (d) For which data set is the sample correlation coefficient r equal to 1? (Choose one)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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. **Figure 1 (x vs y):** - x values: 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0 - y values: 7.5, 6.8, 7.4, 8.2, 6.6, 6.1, 6.6, 8.4, 7.0, 7.9 - The scatter plot shows a roughly circular pattern of points. **Figure 2 (u vs v):** - u values: 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0 - v values: 10.8, 9.3, 7.9, 6.7, 5.0, 3.4, 4.0, 5.9, 10.6, 2.6 - The scatter plot shows points mostly aligned in a downward sloping line. **Figure 3 (w vs z):** - w values: 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0 - z values: 1.3, 3.3, 4.5, 5.6, 7.2, 8.3, 9.0, 9.6, 10.0, 10.3 - The scatter plot shows points forming a clear upward linear trend. **Figure 4 (m vs n):** - m values: 1.7, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0 -
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. **Figure 1 (x vs y):** - x values: 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0 - y values: 7.5, 6.8, 7.4, 8.2, 6.6, 6.1, 6.6, 8.4, 7.0, 7.9 - The scatter plot shows a roughly circular pattern of points. **Figure 2 (u vs v):** - u values: 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0 - v values: 10.8, 9.3, 7.9, 6.7, 5.0, 3.4, 4.0, 5.9, 10.6, 2.6 - The scatter plot shows points mostly aligned in a downward sloping line. **Figure 3 (w vs z):** - w values: 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0 - z values: 1.3, 3.3, 4.5, 5.6, 7.2, 8.3, 9.0, 9.6, 10.0, 10.3 - The scatter plot shows points forming a clear upward linear trend. **Figure 4 (m vs n):** - m values: 1.7, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0 -
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