Consider the relationship between y = annual income (in thousands of dollars) and x 1 = number

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Consider the relationship between ŷ = annual income (in thousands of dollars) and x1 = number of years of education by x2 = gender. Many studies in the United States have found that the slope for a regression equation relating y to x1 is larger for men than for women. Suppose that in the population, the regression equations are μy = -10 + 4xfor men and μy = -5 + 2x1 for women. Explain why these equations imply that there is interaction between education and gender in their effects on income.

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Statistics The Art And Science Of Learning From Data

ISBN: 9780321997838

4th Edition

Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg

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