In: Statistics and Probability
The following bivariate data set contains an outlier.
x   y
89.1   -294.6
75.3   273.5
90.4   -222.1
79.9   111.5
80.5   685.1
84.7   -193.8
67.6   -259.6
84.5   559.5
73.4   521.2
87.7   -444
91.2   -303.4
87.5   642
72.8   -25.8
67.6   530.6
162   315.7
What is the correlation coefficient with the outlier?
rw =
What is the correlation coefficient without the outlier?
rwo =
Would inclusion of the outlier change the evidence for or against a
significant linear correlation?
No. Including the outlier does not change the evidence regarding a
linear correlation.
Yes. Including the outlier changes the evidence regarding a linear
correlation.
.