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Which of the following is a possible value of r² and indicates the strongest linear relationship between two quantitative variables? A. 90% B. o% C. 80% D. -90% The correlation between two variables is given by r = 0.0o. What does this mean? A. The best straight line through the data is horizontal. B. There is a perfect positive relationship between the two variables C. There is a perfect negative relationship between the two variables. D. All of the points must fall exactly on a horizontal straight line. IThe value of a correlation is reported by a researcher to be r = -0.5. Which of the following statements is correct? A. The x-variable explains 50% of the variability in the y-variable. B. The x-variable explains -50% of the variability in the y-variable. C. The x-variable explains 25% of the variability in the y-variable D. The x-variable explains -25% of the variability in the y-variable

Which of the following is a possible value of r² and indicates the strongest linear relationship between two quantitative variables? A. 90% B. o% C. 80% D. -90% The correlation between two variables is given by r = 0.0o. What does this mean? A. The best straight line through the data is horizontal. B. There is a perfect positive relationship between the two variables C. There is a perfect negative relationship between the two variables. D. All of the points must fall exactly on a horizontal straight line. IThe value of a correlation is reported by a researcher to be r = -0.5. Which of the following statements is correct? A. The x-variable explains 50% of the variability in the y-variable. B. The x-variable explains -50% of the variability in the y-variable. C. The x-variable explains 25% of the variability in the y-variable D. The x-variable explains -25% of the variability in the y-variable

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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No. 11 Determine the ff. Which of the following is a possible value of r² and indicates the strongest linear relationship between two quantitative variables? A. 90% B. o% C. 80% D. -90% The correlation between two variables is given by r = o.0. What does this mean? A. The best straight line through the data is horizontal. B. There is a perfect positive relationship between the two variables C. There is a perfect negative relationship between the two variables. D. All of the points must fall exactly on a horizontal straight line. IThe value of a correlation is reported by a researcher to be r = -0.5. Which of the following statements is correct? A. The x-variable explains 50% of the variability in the y-variable. B. The x-variable explains -50% of the variability in the y-variable. C. The x-variable explains 25% of the variability in the y-variable D. The x-variable explains -25% of the variability in the y-variable
Transcribed Image Text:No. 11 Determine the ff. Which of the following is a possible value of r² and indicates the strongest linear relationship between two quantitative variables? A. 90% B. o% C. 80% D. -90% The correlation between two variables is given by r = o.0. What does this mean? A. The best straight line through the data is horizontal. B. There is a perfect positive relationship between the two variables C. There is a perfect negative relationship between the two variables. D. All of the points must fall exactly on a horizontal straight line. IThe value of a correlation is reported by a researcher to be r = -0.5. Which of the following statements is correct? A. The x-variable explains 50% of the variability in the y-variable. B. The x-variable explains -50% of the variability in the y-variable. C. The x-variable explains 25% of the variability in the y-variable D. The x-variable explains -25% of the variability in the y-variable
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