Consider the following data for two variables, x and y.

col1 xi 4 5 7 8 10 12 12 22
col2 yi 12 14 16 15 18 20 24 19
Enter negative values as negative numbers.

Compute the standardized residuals for these data (to 2 decimals).

Observation 1 -1.00
Observation 2 -0.40
Observation 3. 0.01
Observation 4. -0.48
Observation 5. 0.25
Observation 6. 0.65
Observation 7. 2.00
Observation 8 -2.16

Compute the leverage values for these data (to 2 decimals).

Observation 1 0.28
Observation 2 0.24
Observation 3 0.16
Observation 4 0.14
Observation 5 0.13
Observation 6 0.14
Observation 7 0.14
Observation 8. 0.76

Do there appear to be any influential observations in these data? 8

Does the scatter diagram indicate any influential observations? Explain.