Question: Lifting more weight 2004. In Exercise you examined the winning weight-lifting performances for the 2004 Olympics. One of the competitors turned in a performance that appears not to fit the model you created.
a) Consider that competitor to be an outlier. Eliminate that data point and re-create your model.
b) Using this revised model, how much would you have expected the outlier competitor to lift?
c) Explain the meaning of the residual from your new model for that competitor.
Exercise: Weightlifting 2004. Listed below are the gold medalwinning men's weight-lifting performances at the 2004 Olympics.
a) Create a linear model for the Weight Lifted in each Weight Class.
b) Check the residuals plot. Is your linear model appropriate?
c) Create a better model.
d) Explain why you think your new model is better.
e) Based on your model, which of the medalists turned in the most surprising performance? Explain.