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State true or false:   1. One of the assumptions in regression analysis is that the errors have a mean of 0.   2. A multiple regression model differs from a simple linear regression model because the multiple regression model has more than one dependent variable.   3. If the coefficient of determination for some data is 0.7 , then the correlation coefficient is ±0.84 (round to 2 significant digits).   4.In the Linear regression equation y = 7 + 5x, the slope of the regression line is 7.

State true or false:   1. One of the assumptions in regression analysis is that the errors have a mean of 0.   2. A multiple regression model differs from a simple linear regression model because the multiple regression model has more than one dependent variable.   3. If the coefficient of determination for some data is 0.7 , then the correlation coefficient is ±0.84 (round to 2 significant digits).   4.In the Linear regression equation y = 7 + 5x, the slope of the regression line is 7.

MATLAB: An Introduction with Applications
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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State true or false:

 

1. One of the assumptions in regression analysis is that the errors have a mean of 0.

 

2. A multiple regression model differs from a simple linear regression model because the multiple regression model has more than one dependent variable.

 

3. If the coefficient of determination for some data is 0.7 , then the correlation coefficient is ±0.84 (round to 2 significant digits).

 

4.In the Linear regression equation y = 7 + 5x, the slope of the regression line is 7.

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