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MCQs Number System – 4

MCQs Mathematics covers the topic of the Number system for the preparation of Intermediate mathematics.

1. Real part of $(x+iy)^n$ is


2. If $|x+5i|=3$ then $x$ is equal to


3. If $z=x+iy$ then $|z|=?


4. Polar form of $1+i\sqrt{3}$ is


5. The modulus value of a complex number $z=x+iy$ is the distance from


6. The modulus of $z$ is


7. If point $A$ of the coordinate plane corresponds to the ordered pair $(a,b)$ then


8. If $z=3-5i$ then $|z|^2$ is equal to


9. 0.1428571428571…. is


10. If $z_1=2+3i$, $z_2=1-i$ then $|z_1z_2|=$


11. Golden rule of fraction is that for $k\ne 0 $, $\frac{a}{b} =$


12. If $R$ is the set of real number, then product $R\times R$ is called


13. If $z$ is a real number then


14. Polar form of $(\sqrt{3} + i)$ is


15. The correct statement of De Mover’s Theorem is $(cos \theta + i\, sin\, \theta)^n$ is equal to


16. The set $\{1, -1\}$ possesses closure property w.r.t.


17. If a point $A$ of a coordinate plane corresponds to the ordered pair $(a, b)$, then $a$ and $b$ are called


18. Imaginary part of $(-2+3i)^2$ is equal to


19. The geometrical plane on which coordinate system has been specified is called


20. If $z=a+ib$ then $(z^2+\overline{z}^2)$ is equal to


MCQs Economics – 3

Please go to MCQs Economics – 3 to view the test

MCQs Economics – 2

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Try MCQs Economics Test 1

MCQs Economics – 1

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MCQs Econometrics Quiz 5

This quiz is about Econometrics, which covers the topics of Regression analysis, correlation, dummy variable, multicollinearity, heteroscedasticity, autocorrelation, and many other topics. Let’s start with MCQs Econometrics test

Please go to MCQs Econometrics Quiz 5 to view the test

An application of different statistical methods applied to the economic data used to find empirical relationships between economic data is called Econometrics.

Econometrics means “Economic Measurement”. Econometrics is the quantitative analysis of actual economic phenomena based on the concurrent development of theory and observation, related by appropriate methods of statistical inference.

Econometrics can also be defined as the empirical determination of economic laws. Econometrics can be classified as (i) Theoretical Econometrics and (ii) Applied Econometrics.

(i) Theoretical Econometrics

Theoretical econometrics is concerned with developing appropriate methods for measuring economic relationships specified by econometric models. Theoretical econometrics leans heavily on mathematical statistics and must spell out the assumptions of methods (such as Least Squares), their properties, and what happens to these properties when one or more of the assumptions of the technique are not fulfilled.

(ii) Applied Econometrics

In applied econometrics, the tools of theoretical econometrics are used to study special fields(s) such as production function, investment function, demand and supply function, portfolio theory, etc.

Types of Econometrics Data

Different type of data is used in Econometrics. There are three important types of data for empirical analysis:

  • Time Series Data
    A time series data is a set of observations on the values that a variable takes at different times. The time series data may be collected at regular time intervals such as daily, weekly, monthly, quarterly, annually, etc.
  • Cross-Sectional Data
    Cross-sectional data are data on one or more variables collected at the same point in time. Cross-sectional data has a problem of heterogeneity.
  • Pooled Data
    Pooled data is a combination of both time series and cross-sectional data.

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