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a) Below is an output from Gretl. Model 1: OLS, using observations 1-30 Dependen

ID: 3057998 • Letter: A

Question

a) Below is an output from Gretl.

Model 1: OLS, using observations 1-30

Dependent variable: food_exp

Coefficient

Std. Error

t-ratio

p-value

const

104.03

39.2721

2.6490

0.0131

**

income

8.82544

2.19232

4.0256

0.0004

***

Mean dependent var

254.0743

S.D. dependent var

83.66350

Sum squared resid

128573.4

S.E. of regression

67.76361

R-squared

0.366596

Adjusted R-squared

0.343974

F(1, 28)

16.20556

P-value(F)

0.000392

Log-likelihood

168.0140

Akaike criterion

340.0280

Schwarz criterion

342.8304

Hannan-Quinn

340.9246

b) You want to test the following hypothesis: H0: b2 = 0, H1: b2 0. Given a level of significance of 1%, do you reject or accept the null?

c) You want to test the following hypothesis: H0: b2 = 5, H1: b2 > 5. Given a level of significance of 1%, do you reject or accept the null?

d) You want to test the following hypothesis: H0: b2 = 12, H1: b2 < 12. Given a level of significance of 5%, do you reject or accept the null?

please simple answers

Coefficient

Std. Error

t-ratio

p-value

const

104.03

39.2721

2.6490

0.0131

**

income

8.82544

2.19232

4.0256

0.0004

***

Explanation / Answer

a) Below is an output from Gretl.

Model 1: OLS, using observations 1-30

Dependent variable: food_exp

Coefficient

Std. Error

t-ratio

p-value

const

104.03

39.2721

2.6490

0.0131

**

income

8.82544

2.19232

4.0256

0.0004

***

Mean dependent var

254.0743

S.D. dependent var

83.66350

Sum squared resid

128573.4

S.E. of regression

67.76361

R-squared

0.366596

Adjusted R-squared

0.343974

F(1, 28)

16.20556

P-value(F)

0.000392

Log-likelihood

168.0140

Akaike criterion

340.0280

Schwarz criterion

342.8304

Hannan-Quinn

340.9246

b) You want to test the following hypothesis: H0: b2 = 0, H1: b2 0. Given a level of significance of 1%, do you reject or accept the null?

c) You want to test the following hypothesis: H0: b2 = 5, H1: b2 > 5. Given a level of significance of 1%, do you reject or accept the null?

d) You want to test the following hypothesis: H0: b2 = 12, H1: b2 < 12. Given a level of significance of 5%, do you reject or accept the null?

please simple answers

Coefficient

Std. Error

t-ratio

p-value

const

104.03

39.2721

2.6490

0.0131

**

income

8.82544

2.19232

4.0256

0.0004

***