Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN: 9780079039897
Author: Carter
Publisher: McGraw Hill
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Question
Which of the following statements about correlation are true? Check all that apply.
Correlation measures and describes the behavior of a single variable.
 
If the correlation between two variables is close to 1, there is a positive linear relationship between the two variables.
 
The sign of the correlation indicates the strength or consistency of the linear relationship between two variables.
 
A positive correlation means that two variables tend to change in opposite directions.
 
A correlation of 1 indicates that there is little or no linear relationship between the two variables.
 
The correlation is scaleless; that is, it doesn’t change when the measurement units are changed for either or both of the variables.
 
If the correlation between two variables is 0, there is no clear linear relationship between the two variables.
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