Tamil Nadu Board of Secondary EducationHSC Arts Class 12th
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Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Economics Answers Guide chapter 12 - Introduction to Statistical Methods and Econometrics [Latest edition]

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Class 12th Economics Answers Guide - Shaalaa.com
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Chapter 12: Introduction to Statistical Methods and Econometrics

Model Questions - Part AModel Questions - Part BModel Questions - Part CModel Questions - Part D
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Model Questions - Part A [Pages 278 - 280]

Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Economics Answers Guide Chapter 12 Introduction to Statistical Methods and EconometricsModel Questions - Part A [Pages 278 - 280]

Multiple choice questions

Model Questions - Part A | Q 1. | Page 278

The word ‘statistics’ is used as _____.

  • Singular

  • Plural

  • Singular and Plural

  • None of above

Model Questions - Part A | Q 2. | Page 278

Who stated that statistics is a science of estimates and probabilities.

  • Horace Secrist

  • R.A Fisher

  • Ya-Lun-Chou

  • Boddington

Model Questions - Part A | Q 3. | Page 278

Sources of secondary data are _________.

  • Published sources

  • Unpublished sources

  • neither published nor unpublished sources

  • Both (A) and (B)

Model Questions - Part A | Q 4. | Page 278

The data collected by questionnaires are__________.

  • Primary data

  • Secondary data

  • Published data

  • Grouped data

Model Questions - Part A | Q 5. | Page 278

A measure of the strength of the linear relationship that exists between two variables is called:

  • Slope

  • Intercept

  • Correlation coefficient

  • Regression equation

Model Questions - Part A | Q 6. | Page 278

If both variables X and Y increase or decrease simultaneously, then the coefficient of correlation will be:

  • Positive

  • Negative

  • Zero

  • One

Model Questions - Part A | Q 7. | Page 279

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:

  • Perfect positive

  • Perfect negative

  • Negative

  • Zero

Model Questions - Part A | Q 8. | Page 279

The value of the coefficient of correlation r lies between:

  • 0 and 1

  • -1 and 0

  • -1 and +1

  • -0.5 and +0.5

Model Questions - Part A | Q 9. | Page 279

The term regression was used by:

  • Newton

  • Pearson

  • Spearman

  • Galton

Model Questions - Part A | Q 10. | Page 279

The purpose of simple linear regression analysis is to:

  • Predict one variable from another variable

  • Replace points on a scatter diagram with a straight-line

  • Measure the degree to which two variables are linearly associated

  • Obtain the expected value of the independent random variable for a given value of the dependent variable

Model Questions - Part A | Q 11. | Page 279

A process by which we estimate the value of dependent variable on the basis of one or more independent variables is called:

  • Correlation

  • Regression

  • Residual

  • Slope

Model Questions - Part A | Q 12. | Page 279

If Y = 2 - 0.2X, then the value of the Y-intercept is equal to ______.

  • -0.2

  • 2

  • 0.2X

  • All of the above

Model Questions - Part A | Q 13. | Page 279

In the regression equation Y = β01 X, the Y is called:

  • Independent variable

  • Dependent variable

  • Continuous variable

  • none of the above

Model Questions - Part A | Q 14. | Page 279

In the regression equation Y = β01 X, the X is called:

  • Independent variable

  • Dependent variable

  • Continuous variable

  • none of the above

Model Questions - Part A | Q 15. | Page 279

Econometrics is the integration of ______.

  • Economics and Statistics

  • Economics and Mathematics

  • Economics, Mathematics, and Statistics

  • None of the above

Model Questions - Part A | Q 16. | Page 279

Econometric is the word coined by ______.

  • Francis Galton

  • Ragnar Frisch

  • Karl Person

  • Spearsman

Model Questions - Part A | Q 17. | Page 280

The raw materials of Econometrics are:

  • Data

  • Goods

  • Statistics

  • Mathematics

Model Questions - Part A | Q 18. | Page 280

The term Uiin regression equation is a ______.

  • Residuals

  • Standard error

  • Stochastic error term

  • none

Model Questions - Part A | Q 19. | Page 280

The term Uiis introduced for the representation of ______.

  • Omitted Variables

  • Standard error

  • Bias

  • Discrete Variable

Model Questions - Part A | Q 20. | Page 280

Econometrics is the amalgamation of ______.

  • 3 subjects

  • 4 subjects

  • 2 subjects

  • 5 subjects

Model Questions - Part B [Page 280]

Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Economics Answers Guide Chapter 12 Introduction to Statistical Methods and EconometricsModel Questions - Part B [Page 280]

Answer the following in one or two sentences

Model Questions - Part B | Q 21. | Page 280

What is Statistics?

Model Questions - Part B | Q 22. | Page 280

What are the kinds of Statistics?

Model Questions - Part B | Q 23. | Page 280

What do you mean by Inferential Statistics?

Model Questions - Part B | Q 24. | Page 280

What are the kinds of data?

Model Questions - Part B | Q 25. | Page 280

Define Correlation.

Model Questions - Part B | Q 26. | Page 280

Define Regression.

Model Questions - Part B | Q 27. | Page 280

What is Econometrics?

Model Questions - Part C [Pages 280 - 281]

Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Economics Answers Guide Chapter 12 Introduction to Statistical Methods and EconometricsModel Questions - Part C [Pages 280 - 281]

Answer the following questions in one paragraph

Model Questions - Part C | Q 28. | Page 280

What are the functions of Statistics?

Model Questions - Part C | Q 29. | Page 280

Find the Standard Deviation of the following data: 14, 22, 9, 15, 20, 17, 12, 11.

Model Questions - Part C | Q 30. | Page 280

State and explain the different kinds of Correlation.

Model Questions - Part C | Q 31. | Page 280

Mention the uses of Regression Analysis.

Model Questions - Part C | Q 32. | Page 280

Specify the objectives of econometrics.

Model Questions - Part C | Q 33. | Page 281

Differentiate the economic model with the econometric model.

Model Questions - Part C | Q 34. | Page 281

Discuss the important statistical organizations (offices) in India.

Model Questions - Part D [Page 281]

Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Economics Answers Guide Chapter 12 Introduction to Statistical Methods and EconometricsModel Questions - Part D [Page 281]

Answer the following questions

Model Questions - Part D | Q 35. | Page 281

Elucidate the nature and scope of Statistics.

Model Questions - Part D | Q 36. | Page 281

Calculate the Karl Pearson Correlation Co-efficient for the following data

Demand for 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
Model Questions - Part D | Q 37. | Page 281

Find the regression equation Y on X and X on Y for the following data:

X 45 48 50 55

65

70 75 72 80 85
Y 25 30 35 30 40 50 45 55 60 65
Model Questions - Part D | Q 38. | Page 281

Describe the application of Econometrics in Economics.

Chapter 12: Introduction to Statistical Methods and Econometrics

Model Questions - Part AModel Questions - Part BModel Questions - Part CModel Questions - Part D
Class 12th Economics Answers Guide - Shaalaa.com

Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Economics Answers Guide chapter 12 - Introduction to Statistical Methods and Econometrics

Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Economics Answers Guide chapter 12 (Introduction to Statistical Methods and Econometrics) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Tamil Nadu Board of Secondary Education Class 12th Economics Answers Guide solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Class 12th Economics Answers Guide chapter 12 Introduction to Statistical Methods and Econometrics are Etymology and Milestones of Statistics in Global Level, Evolution of Statistics in India, Definitions of Statistics, Nature of Statistics, Scope of Statistics for Economics, Characteristics and Functions of Statistics, Limitations of Statistics, Types of Statistics, Data, Arithmetic Mean or Mean, Standard Deviation, Correlation, Regression, Introduction to Econometrics, Official Statistics.

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