Consider the data:
x : 4, 5, 7,8,10,12,12,22
y: 12,14,16,15,18,20,24,19
a. Develop a scatter diagram. Does the scatter diagram indicate any influential observation? Explain.
b. Compute the standardized residuals for these data. Do the data include any outliners? Explain.
c. Compute the leverage value for these data. Do there apear to be any influentioal observation in these data? Explain.