For the Georgia Student Survey file on the text CD, let y = exercise and x =

Question:

For the Georgia Student Survey file on the text CD, let y = exercise and x = watch TV (minutes per day).
a. Construct a scatter-plot. Identify an outlier that could have an impact on the fit of the regression model. What would you expect its effect to be on the slope?
b. Fit the model with and without that observation. Summarize its impact.