Add a different outlier. Refer to the previous two exercises. Add an additional observation with Y = 29 and X = 50 to the original data set.
(a) Repeat the analysis that you performed in the first exercise and summarize your results, paying particular attention to the effect of this outlier.
(b) In this exercise and in the previous one, you added an outlier to the original data set and reanalyzed the data. Write a short summary of the changes in correlations that can result from different kinds of outliers.
Add an outlier. Refer to the previous exercise. Add an additional observation with Y = 50 and X = 30 to the data set. Repeat the analysis that you performed in the previous exercise and summarize your results, paying particular attention to the effect of this outlier.