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26.1.3 Quiz: Two-Variable Data and Scatterplots
Question 8 of 10
Which of the following graphs shows a negative linear relationship with a
correlation coefficient, r, close to -0.5?
A.
p
C.
O A. Graph A
OB. Graph B
B.
D.
H

2613 Quiz TwoVariable Data And Scatterplots Question 8 Of 10 Which Of The Following Graphs Shows A Negative Linear Relationship With A Correlation Coefficient R class=

Sagot :

The graphs show a negative linear relationship with a correlation coefficient, r, close to -0.5 in Graph D.

What does the correlation coefficient convey?

The correlation coefficient is the degree of association between two quantities in terms of a linear relation.

The range of correlation coefficient is -1 to 1

If the correlation is -1, then that means  as the one quantity increases, the other quantity decreases (linearly)

If the correlation is 1, then that means as the one quantity increases, the other quantity increases(linearly) and vice versa for decrement.

Thus, if the correlation coefficient of two variables is 1 or -1, then that means they are linearly related.

The graphs show a negative linear relationship with a correlation coefficient, r, close to -0.5 in Graph D.

Learn more about correlation coefficient here:

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