Suppose you have joint random variables X and Y. It is found that COV(X,Y)= -0.9, Var(X) = 4 , and Var(Y) = 2. Based on the covariance, is there a positive relationship, a negative relationship, or no linear relationship between the variables? O No Linear Relationship O Negative O Positive Find the value of the correlation coefficient. Round your answer to 3 decimals.

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
Please solve it perfectly
Suppose you have joint random variables X and Y. It is found that COV(X,Y)=0.9, Var(X) = 4
, and Var(Y) = 2.
Based on the covariance, is there a positive relationship, a negative relationship, or no linear relationship
between the variables?
O No Linear Relationship
O Negative
O Positive
Find the value of the correlation coefficient. Round your answer to 3 decimals.
WORK REQUIRED
Add Work
Transcribed Image Text:Suppose you have joint random variables X and Y. It is found that COV(X,Y)=0.9, Var(X) = 4 , and Var(Y) = 2. Based on the covariance, is there a positive relationship, a negative relationship, or no linear relationship between the variables? O No Linear Relationship O Negative O Positive Find the value of the correlation coefficient. Round your answer to 3 decimals. WORK REQUIRED Add Work
Expert Solution
Step 1Q

Solution-:

Given: Cov(X,Y)=-0.9, Var(X)=4, Var(Y)=2

We want to find correlation coefficient =?

steps

Step by step

Solved in 2 steps

Blurred answer
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