Some mathematical tools used in economics - class-XI
| Description: some mathematical tools used in economics | |
| Number of Questions: 83 | |
| Created by: Saurabh Mittal | |
| Tags: some mathematical tools used in economics economics basic statistics for economics |
Statistics studies _________ information.
Statistics is affected by _________ of facts.
Statistics are _________ of facts.
Statistics is a __________.
The term statistics is derived from the ______ word which means status.
State whether the following statements are True or False.
Statistics is a science.
State whether the following statements are True or False.
Statistics does not deal with Interpretation of Data.
State whether the following statements are True or False.
Statistics present data in a precise manner.
State whether the following statements are True or False.
Statistics is affected by multiplicity of causes.
State True / False. Give Reasons.
Statistics is affected by the multiplicity of causes.
State whether the following statements are True or False.
Statistics cannot be used in research.
State True / False. Give Reasons.
Statistics is useful only to the economists.
State True / False. Give Reasons.
All statistics are numerical statement of facts.
State whether the following statements are True or False.
Statistical laws are not mathematically correct.
State True / False. Give Reasons.
Statistics has importance in economics.
State whether the following statements are True or False.
Statistics is numerically expressed.
State True / False. Give Reasons.
Statistics is not useful to the Government
State True / False. Give Reasons.
Statistics cannot be used for the comparison of data.
_________ method covers each and every item of the population.
__________ data is collected by someone else and used by the investigator.
________ refers to order arrangement of data in ascending or descending order.
In ________ method, there are no chances of errors.
Publication of NASA is a ______publication.
The data collected by the investigator for the first time is called _______ data.
Fill in the blanks from the alternatives given in the brackets.
Random sampling is sampling by _________.
Fill in the blanks from the alternatives given in the brackets.
1. Primary data is _______ data.
There are _______ types of data.
Lottery method is an example of _______ sampling.
State whether the following statement is true or false.
Questionnaire method has no limitations.
State whether the following statement is true or false.
Primary data is original in nature.
State whether the following statement is true or false.
Census survey is more accurate than the sample survey.
State whether the following statement is true or false.
Census method is very reliable.
State whether the following statement is true or false.
World Bank report is a foreign publication.
The extreme values of the classes are called _________.
State whether the following statement is true or false.
There are no official publications of government.
______ method is the slowest of all methods of collecting data.
In _______ method, class intervals overlap each other.
State whether the following statement is true or false.
Secondary data is more reliable.
The maximum value a correlation coefficient can have is
State whether the following statement is true or false.
The height of a person is qualitative.
State whether the following statement is true or false.
Indirect investigator is useful for the enquiry of complex problems.
State whether the following statement is true or false.
Questionnaire method is used to collect secondary data.
State whether the following statement is true or false.
Larger the size of samples, greater will be the accuracy.
State whether the following statement is true or false.
Collection of primary data is time consuming.
State whether the following statement is true or false.
Lottery method is an example of random sampling.
State whether the following statement is true or false.
Secondary data is original data.
If P(A)3/8, P(B)5/8, and P(A \ B)3/4, find P(B/A).
State whether the following statement is true or false.
Statistics deals with the interpretation of data.
_______ is a point of reference in comparing various data describing individual behaviour.
In a grouped data, the number of classes preferred are __________.
What is the objective of analysis of any time series?
If the period of variations is less than one year, then these are known as _______.
The Additive Model of a time series is expressed as :
If the period of variations is more than one year, then the variations are termed as __________.
A time series may be defined as ________.
If the lower and upper limits of a class are 20 and 30 respectively, the mid point of the class is _________.
A grouped frequency distribution with uncertain first or last classes is known as _________.
Descriptive statistics is?
The class interval of the following continuous grouped data is
0-9 10-19 20-29 30-39 40-49
5 8 12 15 4
Which of the following statements containing results of India's recent Census is not correct?
Population that are limited in size are referred to as __________.
Examples of infinite population__________.
Which of the following are important laws on which sampling is based?
I. Law of statistical regularity
II. Law of Inertia of large numbers
Ill. Law of Inertia of small numbers
IV. Law of Statistical irregularity
To prevent frauds in multiple mortgage cases, under SARFAESI Act, 2002, one special thing has been created and made operative from 01-04-2011. Which one is that from the following?
Which of the following statement is not correct?
A general rule is that a sample is to be replaced if the size of the sample ________.
Assertion (A) : In India, census is undertaken only once in five years.
Reason (R) : Taking census is a costly affair.
Expand the term BCBS.
Fill in the blanks with appropriate substitute given in the brackets.
Statistics involve collection of _________.
________ is the difference between the upper and the lower limit of the class.
Time series is an important statistical technique which is widely used by __________.
Time series is an important statistical technique which is widely used by _________.
The distribution.
Values (less than) 20 25 30 35 40 45 50
Frequency is of the type 5 12 15 20 15 10 5
The Multiplicative Model of a time series is expressed is :
Paasche was _________.
Time series is an important statistical technique because of :
Statistics is essential to psychologist s because
Where conclusion are taken out on the basis of estimates regarding the population. It is___________type of statistics.
A specific characteristic of a sample is known as
A specific characteristic of a population is known as a __________.
A procedure used to select a sample of n objects from a population in such a way that each member of the population is chosen strictly by chance, each member of the population is equality likely to be chosen, and every possible sample of a given size, n, has the same chance of selection is known as
The definition of statistics explaining statistics to be the collection, presentation, analysis and interpretation of numerical data was given by?
Analysis of variance technique is normally used when ________.
i. Number of samples are more than two
ii. All the samples follow Independent normal distribution with equal variance