Refer to the previous exercise. a. Explain why setting x2 at a variety of values yields a
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a. Explain why setting x2 at a variety of values yields a collection of parallel lines relating = to x1. What is the value of the slope for those parallel lines?
b. Since the slope 0.50 for x1 is larger than the slope 0.002 for x2, does this imply that x1 has a larger effect than x2 on y in this sample? Explain.
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Statistics The Art And Science Of Learning From Data
ISBN: 9780321755940
3rd Edition
Authors: Alan Agresti, Christine A. Franklin
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