a) Write the regressed equation and interpret the slope and the intercept.  b) Construct a confidence interval for the slope (b2) at 95% confidence level.  c)  Test whether the slope is equal or not equal to zero at 95% confidence level.

MATLAB: An Introduction with Applications
6th Edition
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Author:Amos Gilat
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The output table below represents the results of the estimation of household expenditures (Y) and income (X) in thousand dollars. Considering the output table below, answer the following question.

Dependent Variable: Y

 

 

Method: Least Squares

 

 

Date: 12/28/16   Time: 15:29

 

 

Sample: 2000 2010

 

 

Included observations: 11

 

 

 

 

 

 

 

 

 

a) Write the regressed equation and interpret the slope and the intercept. 

b) Construct a confidence interval for the slope (b2) at 95% confidence level. 

c)  Test whether the slope is equal or not equal to zero at 95% confidence level.

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