Let x = sodium and y = sugar for the breakfast cereal data in the Cereal data
Question:
a. Construct a scatterplot. Do any points satisfy the two criteria for a point to be potentially influential on the regression? Explain.
b. Find the regression line and correlation using all the data points, and then using all except a potentially influential observation. Summarize the influence of that point.
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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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