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

12th Standard

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Economics

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

    Answer all the questions

    20 x 1 = 20
  1. Who stated that statistics as a science of estimates and probabilities.

    (a)

    Horace Secrist.

    (b)

    R.A Fisher

    (c)

    Ya-Lun-Chou

    (d)

    Boddington

  2. The purpose of simple linear regression analysis is to:

    (a)

    Predict one variable from another variable

    (b)

    Replace points on a scatter diagram by 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

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

    (a)

    -0.2

    (b)

    2

    (c)

    0.2X

    (d)

    All of the above

  4. Econometric is the word coined by

    (a)

    Francis Galton

    (b)

    Ragnar Frish

    (c)

    Karl Person

    (d)

    Spearsman

  5. Econometrics is the amalgamation of

    (a)

    3 subjects

    (b)

    4 subjects

    (c)

    2 subjects

    (d)

    5 subjects

  6. Ronald Fisher is known as __________?

    (a)

    Father of statistics

    (b)

    Father of Mathematical economics

    (c)

    Father of econometrics

    (d)

    Father of Applied Economics

  7. There existed a system of maintaining vital statistics including registration of births and deaths found in __________.

    (a)

    Thriukkural

    (b)

    Arthashastra

    (c)

    Das Capital

    (d)

    Agananuru

  8. Since 2007__________ every year is celebrated as Statistics Day to commemorate his birth anniversary.

    (a)

    28th of June

    (b)

    29th of July

    (c)

    28th of July

    (d)

    29th of June

  9. In order to test the efficiency of a new drug or to compare the efficiency of two drugs or two medicines, __________ for the two samples is used.

    (a)

    F-test

    (b)

    Z - test

    (c)

    Large test

    (d)

    t - test

  10. There are two major types of statistics named as _________ and __________ based on nature.

    (a)

    new statistics and old statistics

    (b)

    descriptive statistics and inferential statistics

    (c)

    numerical statistics and inferential statistics

    (d)

    none of the above

  11. Not a meaning of average?

    (a)

    A measure of central tendency is a typical value around which other figures congregate

    (b)

    An average stands for the whole group of which it forms a part yet represents the whole

    (c)

    One of the most widely used set of summary figures is known as measures of location

    (d)

    It uses hypotheses, testing and predicting on the basis of the outcome

  12. Find the positive correlation equation.

    (a)

    Y= a – bx

    (b)

    Y= a + bx

    (c)

    Y= b – ax

    (d)

    Y= a – by

  13. In correlation, there are _______ types based upon the number of variables studied as

    (a)

    one

    (b)

    two

    (c)

    three

    (d)

    four

  14. Given the diagram, find the nature of correlation.

    (a)

    A, B, C, are positive

    (b)

    A, B, C, are negative

    (c)

    A is positive, B is Negative and C is Positive

    (d)

    A is positive, B is Negative and C is Zero

  15. Karl Pearson’s Method is popularly known as Pearson’s coefficient of correlation denoted by the symbol __________ r.

    (a)

    KP

    (b)

    k

    (c)

    r

    (d)

    β

  16. What is the term given for the following sequence of action?
    “Economic theory, Mathematical model of the theory, Economic model of the theory, Data Estimation of econometric model, Hypothesis Testing, ,Forecasting or prediction Using the model for control or policy purpose”

    (a)

    Anatomy of Economic Modeling

    (b)

    Anatomy of Mathematical Economic Modeling

    (c)

    Anatomy of Econometric Modeling

    (d)

    None of the above

  17. The Central Statistical Office is one of the two wings of the __________.

    (a)

    NSSO

    (b)

    CSIR

    (c)

    MSOP

    (d)

    NSO

  18. A scatter plot of number of teachers and number of people with commerce degrees for cities in India reveals a positive association. The most likely explanation for this positive association is:

    (a)

    Teachers encourage people to get college degrees, so an increase in the number of teachers is causing an increase in the number of people with college degrees.

    (b)

    Larger cities tend to have both more teachers and more people with college degrees, so the association is explained by a third variable, the size of the city

    (c)

    Teaching is a common profession for people with college degrees, so an increase in the number of people with college degrees causes an increase in the number of teachers.

    (d)

    Cities with higher incomes tend to have more teachers and more people going to college, so income is a confounding variable, making causation between number of teachers and number of people with college degrees difficult to prove.

  19. Rank Correlation was obtained by _______ to measure degree of relationship between qualitative characteristics.

    (a)

    Karl Pearson

    (b)

    Galton

    (c)

    Spearman

    (d)

    None of them

  20. In a linear regression equation, Y=a + bX, what is the b denote?

    (a)

    the regression coefficient, the slope of the line.

    (b)

    the intercept with the y-axis

    (c)

    the correlation coefficient, the strength of the line

    (d)

    the score on the variable x.

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