Question
Asked Nov 11, 2019
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Using the chart as a guide, what value of the linear correlation coefficient (r) makes sense according to how the data is trending?  

SAT score_GPA scatterplot.pdf

 

SAT score and College GPA
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
500
1000
1500
2000
2500
SAT score
College GPA
st
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SAT score and College GPA 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 500 1000 1500 2000 2500 SAT score College GPA st

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Expert Answer

Step 1

The scatterplot and the corresponding correlation coefficient is given below:

If there is perfect negative relationship between two variables, then the value of correlation coefficient is approximately ­–1. this is shown below:

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Step 2

If there is perfect positive relationship between two variables, then the value of correlation coefficient is approximately 1. this is shown below:

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Step 3

If there is moderate negative relationship between two variables, then the value of c...

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