Samacheer Kalvi 12th Economics – Chapter 12: Statistical Methods and Econometrics Book Back Answers
Samacheer Kalvi 12th Standard New Economics Book Back 1 Mark and 2 Mark Questions with Answers PDF uploaded and available below. Tamil Nadu Class 12 New Syllabus Economics Chapter 12 – Introduction to Statistical Methods and Econometrics Book Back Solutions 2022 available for English medium students. TN Samacheer Kalvi 12th Std Economics Book Portion consists of 12 chapters. Check chapter-wise and Full Class 12th Economics Book Back Answers/ Guide 2022 PDF format for free download. 12th Economics Chapter 11 – Statistical Methods and Econometrics Book Back Answers below:
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12th Economics – Chapter 12: Statistical Methods and Econometrics Book Back Answers
1. The word ‘statistics’ is used as __________.
(a) Singular. (b) Plural (c) Singular and Plural. (d) None of the above.
2. Who stated that statistics is a science of estimates and probabilities.
(a) Horace Secrist. (b) R.A Fisher. (c) Ya-Lun-Chou (d) Boddington
3. Sources of secondary data are___________.
(a) Published sources (b) Unpublished sources (c) neither published nor unpublished sources (d) Both (A) and (B)
4. The data collected by questionnaires are_____________.
(a) Primary data (b) Secondary data (c) Published data (d) Grouped data
5. A measure of the strength of the linear relationship that exists between two variables is called ___________.
(a) Slope (b) Intercept (c) Correlation coefficient (d) Regression equation
6. If both variables X and Y increase or decrease simultaneously, then the coefficient of correlation will be _________.
(a) Positive (b) Negative (c) Zero (d) One
7. 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
8. The value of the coefficient of correlation r lies between ___________.
(a) 0 and 1 (b) -1 and 0 (c) -1 and +1 (d) -0.5 and +0.5
9. The term regression was used by ___________.
(a) Newton (b) Pearson (c) Spearman (d) Galton
10. The purpose of simple linear regression analysis is to _________.
(a) Predict one variable from another variable (b) Replace points on a scatter diagram with a straight-line
(c) Measure the degree to which two variables are linearly associated
(d) Obtain the expected value of the independent random variable for a given value of the dependent variable
11. A process by which we estimate the value of the dependent variable on the basis of one or more independent
variables is called _________.
(a) Correlation (b) Regression (c) Residual (d) Slope
12. If Y = 2 – 0.2X, then the value of Y-intercept is equal to ____________.
(a) -0.2 (b) 2 (c) 0.2X (d) All of the above
13. In the regression equation Y = β0+β1 X, the Y is called _________.
(a) Independent variable (b) Dependent variable (c) Continuous variable (d) none of the above
14. In the regression equation X = β0+β1 X, the X is called _________.
(a) Independent variable (b) Dependent variable (c) Continuous variable (d) none of the above
15. Econometrics is the integration of __________.
(a)Economics and Statistics (b) Economics and Mathematics (c)Economics, Mathematics, and Statistics
(d) None of the above
16. Econometric is the word coined by _________.
(a) Francis Galton (b) RagnarFrish (c) Karl Person (d) Spearsman
17. The raw materials of Econometrics are _________.
(a) Data (b) Goods (c) Statistics (d) Mathematics
18. The term Uiin regression equation is __________.
(a) Residuals (b) Standard error (c) Stochastic error term (d) none
19. The term Ui is introduced for the representation of _____________.
(a) Omitted Variable (b) Standard error (c) Bias (d) Discrete Variable
20. Econometrics is the amalgamation of ___________.
(a) 3 subjects (b) 4 subjects (c) 2 subjects (d) 5 subjects
Other Important Links for 12th Samacheer Kalvi Book Back:
For Chapter 1 Introduction to Macro Economics Book Back Click Here – Chapter 1 Macro Economics Book Back
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