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

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
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
Expert Solution
steps

Step by step

Solved in 2 steps with 2 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