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#### Introduction to Statistical Methods and Econometrics Book Back Questions

12th Standard EM

Reg.No. :
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Economics

Time : 00:45:00 Hrs
Total Marks : 30
5 x 1 = 5
1. The word 'statistics' is used as _______

(a)

Singular.

(b)

Plural

(c)

Singular and Plural.

(d)

None of above

2. Sources of secondary data are______

(a)

Published sources

(b)

Unpublished sources.

(c)

Neither published nor unpublished sources

(d)

Both (a) and (b)

3. If the points on the scatter diagram indicate that as one variable increases the other variable tends to decrease the value of r will be:

(a)

Perfect positive

(b)

Perfect negative

(c)

Negative

(d)

Zero

4. In the regression equation $Y={ \beta }_{ \alpha }+{ \beta }_{ 1 }{ X }_{ , }$the Y is called:

(a)

Independent variable

(b)

Dependent variable

(c)

Continuous variable

(d)

None of the above

5. In the regression equation $X={ \beta }_{ 0 }+{ \beta }_{ 1 }{ X }_{ , }$ the X is called:

(a)

Independent varia

(b)

Dependent variable

(c)

Continuous variable

(d)

None of the above

6. 3 x 2 = 6
7. Define Correlation.

8. Define Regression.

9. What is Econometrics?

10. 3 x 3 = 9
11. Specify the objectives of econometrics.

12. Differentiate the economic model with econometric model.

13. Discuss the important statistical organizations (offices) in India.

14. 2 x 5 = 10
15. Calculate the Karl Pearson Correlation Co-efficient for the following data

 Demand of Product X 23 27 28 29 30 31 33 35 36 39 Sale of Product Y: 18 22 23 24 25 26 28 29 30 32
16. Describe the application of Econometrics in Economics.