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The equation of a regression line between two variables x and y and the were computed as shown here. Which of the following statements are tr y=-3x+2 r=-95 1) The variable y is positively correlated to the variable x II) The variable y is negatively correlated to the variable x III) 95% percent of variation in the y variable can be explained by the x vai IV) 90.25% percent of variation in the y variable can be explained by the » O l and III only O l and IV only Il and III only O Il and IV only

The equation of a regression line between two variables x and y and the were computed as shown here. Which of the following statements are tr y=-3x+2 r=-95 1) The variable y is positively correlated to the variable x II) The variable y is negatively correlated to the variable x III) 95% percent of variation in the y variable can be explained by the x vai IV) 90.25% percent of variation in the y variable can be explained by the » O l and III only O l and IV only Il and III only O Il and IV only

College Algebra
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section: Chapter Questions
Problem 10T: Olympic Pole Vault The graph in Figure 7 indicates that in recent years the winning Olympic men’s...
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The equation of a regression line between two variables x and y and the correlation coefficient were computed as shown here. Which of the following statements are true? y=-3x+2 r=-95 I) The variable y is positively correlated to the variable x II) The variable y is negatively correlated to the variable x II) 95% percent of variation in the y variable can be explained by the x variable IV) 90.25% percent of variation in the y variable can be explained by the x variable O I and III only I and IV only O Il and III only O Il and IV only
Transcribed Image Text:The equation of a regression line between two variables x and y and the correlation coefficient were computed as shown here. Which of the following statements are true? y=-3x+2 r=-95 I) The variable y is positively correlated to the variable x II) The variable y is negatively correlated to the variable x II) 95% percent of variation in the y variable can be explained by the x variable IV) 90.25% percent of variation in the y variable can be explained by the x variable O I and III only I and IV only O Il and III only O Il and IV only
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