Question: Each of the following scatterplots a d shows a cluster

Each of the following scatterplots a– d shows a cluster of points and one “ stray” point. For each, answer questions 1– 4:
1) In what way is the point unusual? Does it have high le-verage, a large residual, or both?
2) Do you think that point is an influential point?
3) If that point were removed from the data, would the correlation become stronger or weaker? Explain.
4) If that point were removed from the data, would the slope of the regression line increase, decrease, or remain the same? Explain.
a.
b.
c.
d.

View Solution:


Sale on SolutionInn
Sales0
Views84
Comments
  • CreatedMay 15, 2015
  • Files Included
Post your question
5000