Answered: In a multiple linear regression model…

In a multiple linear regression model with 6 explanatory variables and 20 observations, the size of the matrix X, where X is the design matrix, is: a. 7 by 20 b. 7 by 7 c. 6 by 6 d. 20 by 7

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

In a multiple linear regression model with 6 explanatory variables and 20 observations, the size of
the matrix X, where X is the design matrix, is:
a. 7 by 20
b. 7 by 7
c. 6 by 6
d. 20 by 7

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