Consider the scatterplot in Figure 7.15.

a. Which point is an outlier? Ignoring the outlier, estimate or compute the correlation coefficient for the remaining points.
b. Now include the outlier. How does the outlier affect the correlation coefficient? Estimate or compute the correlation coefficient for the complete data set.

Transcribed Image Text:

1.2 0.8 0.6 0.4 F 0.2 0 0.2 0.4 0.6 0.8 1.0 12 14