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Author Question: Exhibit 12-9A regression and correlation analysis resulted in the following information regarding a ... (Read 57 times)

jany123

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Question 1

Exhibit 12-8
The following information regarding a dependent variable Y and an independent variable X is provided
 

n = 4

ΣX = 90

ΣY = 340

Σ (Y -)(X - ) = -156

Σ (X - )2= 234

Σ (Y - )2= 1974

SSR = 104

 


Refer to Exhibit 12-8. The coefficient of correlation is


-0.2295


0.2295


0.0527


-0.0572



Question 2

Exhibit 12-9
A regression and correlation analysis resulted in the following information regarding a dependent variable (y) and an independent variable (x).
 

n = 10

ΣX = 90

ΣY = 170

Σ (Y -)(X - ) =  = 466

Σ (Y - )2= = 1434

Σ (X - )2= 234

SSE = 505.98

 


Refer to Exhibit 12-9. The least squares estimate of b1 equals


0.923


1.991


-1.991


-0.923



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Marked as best answer by jany123 on Mar 25, 2023

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jany123

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


chereeb

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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