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Author Question: A regression analysis between a dependent variable (Y) and an independent variable (X) was performed ... (Read 127 times)

parker123

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on: Mar 25, 2023

A regression analysis between a dependent variable (Y) and an independent variable (X) was performed and part of the Excel results is shown below.

 

ANOVA     

 

df

SS

MS

F

Significance F

Regression

1

552.0

552.0

69.0

0.0000

Residual (Error)

10

80.0

8.0

  
Total

11

632.0

 

 

 

      

 

Coefficients

Standard Error

t Stat

P-value

 
Intercept

4.3939

1.7569

2.5009

0.0314

 
X

1.9650

0.2387

8.2315

0.0000

 


Answer the following questions based on the above information and use a 95% confidence.

 

a.Is the regression model significant at 95% confidence? Why or why not. Fully explain.
b.Is X significant? Why or why not. Fully explain.
c.Compute the value of R-square.
d.Determine the multiple R.
e.Compute the standard error.
f.What has been the sample size for this problem?

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by parker123 on Mar 25, 2023

wangyichun

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Reply #1 on: Mar 25, 2023
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parker123

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Reply 2 on: Mar 25, 2023
Great answer, keep it coming :)

tranoy

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Reply 3 on: Yesterday
Excellent

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