Explanation In general for a model relating to E ( y ) one qualitative independent variable with k variables, the model would be, E ( y ) = β 0 + β 1 x 1 + β 2 x 2 + ... + β k − 1 x k − 1 Then the variable x i is the dummy variable for i + 1 level. That is, x i = { 1 if y is observed level i + 1 ( level A ) 0 otherwise ( level B ) The following model represents the two independent variables one quantitative and one qualitative at four levels

Statistics for Business and Economics (13th Edition)

13th Edition

ISBN: 9780134506593

Author: James T. McClave, P. George Benson, Terry Sincich

Publisher: PEARSON

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Chapter 12.8, Problem 12.86LM

To determine

To write: The model that relates E(y) to two independent variables-one quantitative and one qualitative at four levels.

To construct: The model that allows the associated response curves to be second-order but does not allow for interaction between the two independent variables.

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Chapter 12.8, Problem 12.85LM

Chapter 12.8, Problem 12.87ACB

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Chapter 12 Solutions

Statistics for Business and Economics (13th Edition)

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The model that relates E ( y ) to two independent variables-one quantitative and one qualitative at four levels. To construct: The model that allows the associated response curves to be second-order but does not allow for interaction between the two independent variables.

Solution Summary: The author explains the model that relates E(y) to two independent variables-one quantitative and one qualitative at four levels.

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To write: The model that relates E(y) to two independent variables-one quantitative and one qualitative at four levels.

To construct: The model that allows the associated response curves to be second-order but does not allow for interaction between the two independent variables.

Want to see the full answer?

Chapter 12 Solutions

The model that relates E ( y ) to two independent variables-one quantitative and one qualitative at four levels. To construct: The model that allows the associated response curves to be second-order but does not allow for interaction between the two independent variables.

Solution Summary: The author explains the model that relates E(y) to two independent variables-one quantitative and one qualitative at four levels.

Concept explainers

Videos

To write: The model that relates E(y) to two independent variables-one quantitative and one qualitative at four levels. To construct: The model that allows the associated response curves to be second-order but does not allow for interaction between the two independent variables.

Want to see the full answer?

Chapter 12 Solutions

To write: The model that relates E(y) to two independent variables-one quantitative and one qualitative at four levels.

To construct: The model that allows the associated response curves to be second-order but does not allow for interaction between the two independent variables.