SOLUTION: 5. Which of the following regression models apply to the population? Select all that apply. a. ŷi=a+bxi b. ŷi=α+βxi c. yi=α+βxi+εi

Question 1073405: 5.
Which of the following regression models apply to the population?
Select all that apply.
a. ŷi=a+bxi
b. ŷi=α+βxi
c. yi=α+βxi+εi
d. μy=a+bxi+εi
e. μy=α+βx
I choose option a b c but wrong can anyone explain to me the formulas for population.
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
d. is the correct answer
:
regression model for population deals with modeling the (mean of) dependent variable y for each xi
:
a is the y-intercept and b is the slope
:
εi is the random error which is the difference between the predicted value for each xi and the observed value
:

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SOLUTION: 5. Which of the following regression models apply to the population? Select all that apply. a. &#375;i=a+bxi b. &#375;i=&#945;+&#946;xi c. yi=&#945;+&#946;xi+&#949;i

SOLUTION: 5. Which of the following regression models apply to the population? Select all that apply. a. ŷi=a+bxi b. ŷi=α+βxi c. yi=α+βxi+εi