The following bivariate data set contains an outlier. X 72.5 68.7 70.8 83.7 59.4 61.5 63.5 75.1 60.7 64.2 58.9 60.7 72.2 y -1488.9 -292.8 875.4 668.6 -143.2 409.3 -858.1 2455.6 -790.1 -1009.7 259.4 266.7 2253 69.2 188.9 158.1 14289.1 This data can be downloaded as a .csv file with this link: Download CSV What is the correlation coefficient with the outlier? rw 0.1855 X What is the correlation coefficient without the outlier? Two 0.4334 X Would inclusion of the outlier change the evidence for or against a significant linear correlation? Yes. Including the outlier changes the evidence regarding a linear correlation. No. Including the outlier does not change the evidence regarding a linear correlation.
The following bivariate data set contains an outlier. X 72.5 68.7 70.8 83.7 59.4 61.5 63.5 75.1 60.7 64.2 58.9 60.7 72.2 y -1488.9 -292.8 875.4 668.6 -143.2 409.3 -858.1 2455.6 -790.1 -1009.7 259.4 266.7 2253 69.2 188.9 158.1 14289.1 This data can be downloaded as a .csv file with this link: Download CSV What is the correlation coefficient with the outlier? rw 0.1855 X What is the correlation coefficient without the outlier? Two 0.4334 X Would inclusion of the outlier change the evidence for or against a significant linear correlation? Yes. Including the outlier changes the evidence regarding a linear correlation. No. Including the outlier does not change the evidence regarding a linear correlation.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Nn5
Transcribed Image Text:The following bivariate data set contains an outlier.
y
-1488.9
-292.8
875.4
668.6
-143.2
409.3
-858.1
2455.6
-790.1
64.2
-1009.7
58.9
259.4
60.7
266.7
72.2
2253
69.2
188.9
158.1
14289.1
This data can be downloaded as a *.csv file with this link: Download CSV
X
72.5
68.7
70.8
83.7
59.4
61.5
63.5
75.1
60.7
What is the correlation coefficient with the outlier?
Tw= 0.1855
X
What is the correlation coefficient without the outlier?
Two 0.4334
Would inclusion of the outlier change the evidence for or against a significant linear correlation?
O Yes. Including the outlier changes the evidence regarding a linear correlation.
No. Including the outlier does not change the evidence regarding a linear correlation.
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