Using the given data to answer the below.  Data Set   x          y 2.2      3.9 3.9      1.5 2.9      3.7 4.6      4.9 the additional data point (10.5, 9.2) Compute the linear correlation coefficient with the additional data point the linear correlation coefficient for the five pieces of data is ______ (round to three decimal places as needed).   Comment on the effect the additional data point has on the linear correlation coefficient.  Choose an answer below. a) the additional data point weakens the appearance of a linear association between the data points.  b) the additional data point does not affect the linear correlation coefficient.  c) the additional data point strengthens the appearance of a linear association between the data points.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Using the given data to answer the below. 

Data Set

  x          y

2.2      3.9

3.9      1.5

2.9      3.7

4.6      4.9


the additional data point (10.5, 9.2)

Compute the linear correlation coefficient with the additional data point the linear correlation coefficient for the five pieces of data is ______
(round to three decimal places as needed).

 

Comment on the effect the additional data point has on the linear correlation coefficient.  Choose an answer below.

a) the additional data point weakens the appearance of a linear association between the data points. 

b) the additional data point does not affect the linear correlation coefficient. 

c) the additional data point strengthens the appearance of a linear association between the data points. 

 

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