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Question Use the data given below: x              y 2.3        3.9 4           1.4 2.9        3.5 4.7        5   additional data point (10.3, 9.3)   Explain why correlations should always be reported with scatter diagrams? Choose one of the following to answer   a) the scatter diagram can be used to distinguish between association and causation.  b) the scatter diagram is needed to determine if the correlation is positive or negative.

Question Use the data given below: x              y 2.3        3.9 4           1.4 2.9        3.5 4.7        5   additional data point (10.3, 9.3)   Explain why correlations should always be reported with scatter diagrams? Choose one of the following to answer   a) the scatter diagram can be used to distinguish between association and causation.  b) the scatter diagram is needed to determine if the correlation is positive or negative.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Use the data given below:

x              y

2.3        3.9

4           1.4

2.9        3.5

4.7        5

 

additional data point (10.3, 9.3)

 

Explain why correlations should always be reported with scatter diagrams? Choose one of the following to answer  

a) the scatter diagram can be used to distinguish between association and causation. 

b) the scatter diagram is needed to determine if the correlation is positive or negative. 

c) the scatter diagram is needed to see if the correlation coefficient is being affected by the presence of outliers. 

Expert Solution
Step 1

Answer :

Add the data point (10.3, 9.3) to the given data.

Statistics homework question answer, step 1, image 1

Scatterplot :

Statistics homework question answer, step 1, image 2

 

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