Econometrics

Econometrics

University

6 Qs

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Econometrics

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Assessment

Quiz

Business

University

Practice Problem

Easy

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Dhananjaya K

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a linear regression model, the constant variance of error (residual) refers to the assumption of

Zero mean value of error term

Homoscedasticity

No autocorrelation

No multicollinearity

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In the model

ꞵ1 measures the effect of X1 on Y after controlling the effect of X2 on Y

ꞵ2 measures the effect of X2 on Y after controlling the effect of ꞵ0 on Y

ꞵ2 measures the effect of X2 on Y after controlling the effect of ꞵ0 and ꞵ1 on Y

ꞵ1 measures the effect of X1 on Y after controlling the effect of ꞵ0 and ꞵ2 on Y

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The measure of the proportion of variance (change) in dependent  variable (Y) explained by the independent variables (X2, X3….) is given by

F

R

t

R2 (R square)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Multiple co-efficient of determination measures the

Goodness of fit of multiple regression model

Homoscedasticity of multiple regression model

Autocorrelation of multiple regression model

Multicollinearity of multiple regression model

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The value of Adjusted R2 is always less than R2. This statement is

Incorrect

Correct

Depends on k value

Depends on n value

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In the equation, the partial regression coefficients are given by

ꞵ1 and ꞵ2

ꞵ0 and ꞵ1

ꞵ0 and ꞵ2

X1 and X2