For the Georgia Student Survey file on the text CD, let y = exercise and x =
Question:
a. Construct a scatter-plot. Identify an outlier that could influence the regression line. What would you expect its effect to be on the slope and the correlation?
b. Fit the model. Find the standardized residual for that observation. Interpret.
c. Fit the model without the outlying observation. Summarize its impact.
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a The observation with x of 260 and y of 60 is an outlie...View the full answer
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Related Book For 
Statistics The Art And Science Of Learning From Data
ISBN: 9780321755940
3rd Edition
Authors: Alan Agresti, Christine A. Franklin
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