18. Correlation and covariance Suppose two random variables X and Y have a covariance of -100,000 and a correlation of -0.21. Which of the following can we say about the strength of the relationship between the two variables? Pick ONE option The two variables have (practically speaking) no relationship The two variables have a moderate positive (direct) relationship The two variables have a moderate negative (inverse) relationship The two variables have an extremely strong positive (direct) relationship The two variables have an extremely strong negative (inverse) relationshin
18. Correlation and covariance Suppose two random variables X and Y have a covariance of -100,000 and a correlation of -0.21. Which of the following can we say about the strength of the relationship between the two variables? Pick ONE option The two variables have (practically speaking) no relationship The two variables have a moderate positive (direct) relationship The two variables have a moderate negative (inverse) relationship The two variables have an extremely strong positive (direct) relationship The two variables have an extremely strong negative (inverse) relationshin
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 15PPS
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