Use software to analyze the U.S. Statewide Crime data file on the text CD on y =
Question:
a. Construct a scatter-plot. What does it show?
b. One point is quite far removed from the others, having a much higher value on both variables than the rest of the sample, but it fits in well with the linear trend exhibited by the rest of the points. Show that the correlation changes from 0.77 to 0.59 when you delete this observation. Why does it drop so dramatically?
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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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