12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A

Published on: 06/11/2020
12th Standard Economics Introduction to Statistical Methods and Econometrics English Medium Free Online Test 1 Mark Questions with Answer Key 2020-2021
Download Tamil Nadu 12th Standard Economics question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Economics Test

1.
In a linear regression equation, Y=a + bX, what is the b denote?
the regression coefficient, the slope of the line.
the intercept with the y-axis
the correlation coefficient, the strength of the line
the score on the variable x.
2.
Rank Correlation was obtained by _______ to measure degree of relationship between qualitative characteristics.
Karl Pearson
Galton
Spearman
None of them
3.
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:
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.
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
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.
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.
4.
The Central Statistical Office is one of the two wings of the __________.
NSSO
CSIR
MSOP
NSO
5.
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”.
Anatomy of Economic Modeling
Anatomy of Mathematical Economic Modeling
Anatomy of Econometric Modeling
None of the above
6.
Karl Pearson’s Method is popularly known as Pearson’s coefficient of correlation denoted by the symbol __________ r.
KP
k
r
β
7.
Given the diagram, find the nature of correlation.
A, B, C, are positive
A, B, C, are negative
A is positive, B is Negative and C is Positive
A is positive, B is Negative and C is Zero
8.
In correlation, there are _______ types based upon the number of variables studied as
one
two
three
four
9.
Find the positive correlation equation.
Y= a – bx
Y= a + bx
Y= b – ax
Y= a – by
10.
Not a meaning of average?
A measure of central tendency is a typical value around which other figures congregate
An average stands for the whole group of which it forms a part yet represents the whole
One of the most widely used set of summary figures is known as measures of location
It uses hypotheses, testing and predicting on the basis of the outcome
11.
There are two major types of statistics named as _________ and __________ based on nature.
new statistics and old statistics
descriptive statistics and inferential statistics
numerical statistics and inferential statistics
none of the above
12.
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.
F - test
Z - test
Large test
t - test
13.
Since 2007__________ every year is celebrated as Statistics Day to commemorate his birth anniversary.
28th of June
29th of July
28th of July
29th of June
14.
There existed a system of maintaining vital statistics including registration of births and deaths found in __________.
Thriukkural
Arthashastra
Das Capital
Agananuru
15.
Ronald Fisher is known as __________?
Father of statistics
Father of Mathematical economics
Father of econometrics
Father of Applied Economics
16.
Econometrics is the amalgamation of
3 subjects
4 subjects
2 subjects
5 subjects
17.
Econometric is the word coined by
Francis Galton
Ragnar Frish
Karl Person
Spearsman
18.
If Y = 2 - O.2X, then the value of Y intercept is equal to
-0.2
2
0.2X
All of the above
19.
The purpose of simple linear regression analysis is to:
Predict one variable from another variable
Replace points on a scatter diagram by 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
20.
Who stated that statistics as a science of estimates and probabilities.
Horace Secrist
R.A Fisher
Ya-Lun-Chou
Boddington
1.
(a)
the regression coefficient, the slope of the line.
2.
(a)
Karl Pearson
3.
(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
4.
(d)
NSO
5.
(a)
Anatomy of Economic Modeling
6.
(c)
r
7.
(d)
A is positive, B is Negative and C is Zero
8.
(c)
three
9.
(b)
Y= a + bx
10.
(d)
It uses hypotheses, testing and predicting on the basis of the outcome
11.
(b)
descriptive statistics and inferential statistics
12.
(d)
t - test
13.
(d)
29th of June
14.
(b)
Arthashastra
15.
(a)
Father of statistics
16.
(a)
3 subjects
17.
(b)
Ragnar Frish
18.
(b)
2
19.
(a)
Predict one variable from another variable
20.
(d)
Boddington
12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications களப்பெயர் முறைமை (DNS) Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு எடுத்துக்காட்டுகள் மற்றும் நெறிமுறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications கணினி வலையமைப்பு ஓர் அறிமுகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications PHP-உடன் MySQL-ஐ இணைத்தல் Sample Question Papers Study Material - QB365 Set A
Tamilnadu Stateboard 12th Standard Subjects

Maths

Chemistry

Physics

Biology

Computer Science

Business Maths and Statistics

Economics

Commerce

Accountancy

History

Computer Applications

Biology

Computer Technology

Computer Applications

Computer Science

Business Maths and Statistics

Commerce

Economics

Maths

Chemistry

Physics

Computer Technology

History

Accountancy

Tamil

English

French
Tamilnadu Stateboard Standards