33. Consider a regression study involving a dependent variable y, a quantitative independent variable x, and a

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33. Consider a regression study involving a dependent variable y, a quantitative independent variable x, and a qualitative independent variable with three possible levels (level 1, level 2, and level 3).

a. How many dummy variables are required to represent the qualitative variable?

b. Write a multiple regression equation relating .x, and the qualitative variable to y.

c. Interpret the parameters in your regression equation.

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Essentials Of Modern Business Statistics

ISBN: 9780324312843

3rd Edition

Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams

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Question Posted: Nov 08, 2024 06:00 AM

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33. Consider a regression study involving a dependent variable y, a quantitative independent variable x, and a

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Essentials Of Modern Business Statistics

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