onsider the following variables: Y=daily productivity score (measured in points) X1=0 if undergraduate student,1 if graduate student X2=hours of sleep per night 1.) The plot shown below could possibly be the graph of which model?  a.) model 1 b.). model 2 c.) model 3 d.) model 4 e.) model 5

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Author:Amos Gilat
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Consider the following variables:

Y=daily productivity score (measured in points)

X1=0 if undergraduate student,1 if graduate student

X2=hours of sleep per night

1.) The plot shown below could possibly be the graph of which model? 

a.) model 1

b.). model 2

c.) model 3

d.) model 4

e.) model 5

 

 

Mean Y
Model 2: Y = Bo + B₁X₁ +ɛ
Model 3: Y = Bo + B₂X₂ +ɛ
Model 4: Y = =
X₁ = 1
X₁ = 0
(a)
Bo+ BiX +B2X2+£
Model 1: Y = = Bo
Model 5: Y = B₁ + B₁X₁ + B₂X2 + B3X₁X₂ + ε
X₂
Transcribed Image Text:Mean Y Model 2: Y = Bo + B₁X₁ +ɛ Model 3: Y = Bo + B₂X₂ +ɛ Model 4: Y = = X₁ = 1 X₁ = 0 (a) Bo+ BiX +B2X2+£ Model 1: Y = = Bo Model 5: Y = B₁ + B₁X₁ + B₂X2 + B3X₁X₂ + ε X₂
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