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12th Standard Economics Introduction to Statistical Methods and Econometrics English Medium Free Online Test One Mark Questions 2020 - 2021

12th Standard

    Reg.No. :
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Economics

Time : 00:20:00 Hrs
Total Marks : 20

    Answer all the questions

    20 x 1 = 20
  1. The word 'statistics' is used as _______

    (a)

    Singular.

    (b)

    Plural

    (c)

    Singular and Plural.

    (d)

    None of above

  2. 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

  3. The term regression was used by:

    (a)

    Newton

    (b)

    Pearson

    (c)

    Spearman

    (d)

    Galton

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

    (a)

    Correlation

    (b)

    Regression

    (c)

    Residual

    (d)

    Slope

  5. 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

  6. The term Uiis introduced for the representation of

    (a)

    Omitted Variable

    (b)

    Standard error

    (c)

    Bias

    (d)

    Discrete Variable

  7. The first book to have statistics as its title was ‘Contributions to vital Statistics’ by _________.

    (a)

    Karl Pearson

    (b)

    Francis GP Neison

    (c)

    Crowther

    (d)

    Fisher

  8. ___________ is known as the founder of modern statistics and also as father of ________ in India.

    (a)

    P.C. Mahalanobis and statistical economics

    (b)

    Viswesvaraya and statistics

    (c)

    P.C. Mahalanobis and statistics

    (d)

    None of the above

  9. Which is not a limitation of statistics?

    (a)

    Statistics is not suitable to the study of qualitative phenomenon

    (b)

    Statistical laws are not exact

    (c)

    Statistical collection should be systematic with a predetermined purpose

    (d)

    Statistics is only one of the methods of studying a problem

  10. ________ are further classified as nominal and rank data.Eg.Gender, Community, honesty.

    (a)

    Raw data

    (b)

    Qualitative data

    (c)

    Refined data

    (d)

    Quantitative data

  11. Those data which do not already exist in any form, and thus have to be collected for the first time from the primary source(s).

    (a)

    Secondary data

    (b)

    Vital data

    (c)

    Raw data

    (d)

    Primary data

  12. Standard Deviation is one of the methods of ________ of dispersion

    (a)

    Relative measure

    (b)

    Real measure

    (c)

    Absolute measure

    (d)

    Nominal measure

  13. Who is responsible for the calculation of correlation coefficient?

    (a)

    Francis Galton

    (b)

    Von Neuman

    (c)

    Philip

    (d)

    Irving Fisher

  14. Find the incorrect match.
    I. Σdxdy = Sum of product of the deviations x and y series from their assumed means.
    II. Σdx2 = Sum of the squares of the deviations of x series from an assumed mean
    III. Σdy2= sum of the deviation of x series from an assumed mean of x
    IV. Σdx= Sum of the squares of the deviations of y series from an assumed mean

    (a)

    I, II, III, IV are correct

    (b)

    I, II, III are correct, IV is incorrect

    (c)

    II and IV are incorrect, I and III are correct

    (d)

    III and IV are only incorrect

  15. Econometrics may be considered as the integration of _________.

    (a)

    economics, statistics and mathematics

    (b)

    econometrics, statistics and mathematics

    (c)

    economics, applied statistics and mathematics

    (d)

    econometrics, statistics and applied mathematics

  16. The Statistics Wing called the National Statistical Office (NSO) consists of the ___________, the Computer Centre and __________.

    (a)

    NSO and MOSP

    (b)

    CSO and NSSO

    (c)

    ISRO and BARC

    (d)

    NSSO and NSO

  17. The value of a correlation is reported by a researcher to be r = −0.5. Which of the following statements is correct?

    (a)

    The x-variable explains 25% of the variability in the y-variable

    (b)

    The x-variable explains −25% of the variability in the y-variable.

    (c)

    The x-variable explains 50% of the variability in the y-variable

    (d)

    The x-variable explains −50% of the variability in the y-variable.

  18. __________ is a coefficient to measure the degree of relationship between two sets of data by using ranks of observations

    (a)

    Pearson’s Correlation Coefficient

    (b)

    Rank Correlation Coefficient

    (c)

    Partial Correlation

    (d)

    Multiple Correlation

  19. R 2 is the notation for:

    (a)

    the coefficient of correlation.

    (b)

    the coefficient of determination.

    (c)

    the coefficient of variation.

    (d)

    the coefficient of regression

  20. Participants in a weight-loss program are asked for the following biographical information upon entering the program: Which of these variables are quantitative?
    i) weight
    ii) gender
    iii) age

    (a)

    i)

    (b)

    ii)

    (c)

    iii)

    (d)

    i) and iii)

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