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CBSE Questions for Class 11 Commerce Economics Collection Of Data Quiz 3 - MCQExams.com
CBSE
Class 11 Commerce Economics
Collection Of Data
Quiz 3
The types of error in sample investigation way of collecting of data are ______________.
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Actual error
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Random error
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Sampling error
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Both b&c
Explanation
The types of error in sample investigation way of collecting of data are both- random error and sampling error. Random error occurs when there is a precision limitation in the measurement device and sampling error occurs when the observation is done only on the sample and not on the whole population.
For checking how many students scored above $$80\%$$ marks in a class what should be the source of data?
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Secondary data
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Mailed questions
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Direct investigation
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Sample investigation
Explanation
For checking how many students scored above 80% marks in class, direct investigation should be conducted to collect the necessary data. Hence, direct investigation should be the source of data. Direct investigation is conducted by collecting the data directly from the students of the respective class.
Organisations that use primary data are ____________.
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CSO
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Census of India
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Central Bank of India
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Both a & b
Explanation
Organizations that use primary data are both- CSO(Central Statistics Office) and Census of India. Primary data is also known as raw data. It is the first hand information.
The entities on which data are collected is known as ___________.
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variables
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data sets
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elements
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None of the above
Explanation
The entities on which data are collected is known as variables. A data item is also called as a variable. For example, age, sex, income, etc are referred as variables.
Secondary data should be _______________.
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accurate
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reliable
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suitable
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All of the above
Explanation
Secondary data is the second-hand information since the secondary data is not collected or gathered by the user. It should be accurate, reliable and suitable. For example, government censs report is a secondary data.
A characteristic of interest for an elements is called __________.
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a variable
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an element
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a data set
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None of the above
Explanation
A data item is also called as a variable. For example, age, sex, income, etc are referred as variables. A characteristic of interest of an elements is called a variable.
How is primary data usually collected?
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Indirect praline view
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Telephone survey
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Mailed questions
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All of the above
Explanation
Primary data is also known as raw data. It is the first hand information. It is collected by all of the following- indirect praline view, telephone survey and mailed questions.
Which amongst there is the most expensive way of collecting data?
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Questionnaire through enumerator
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Telephonic survey
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Direct personal interview
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Indirect oral investigation
Explanation
The most expensive way of collecting data is questionnaire through enumerator. Since the arrangements are to be done for the enumerator to question the population.
Indirect oral investigation method of collection of data is to be used when ______________.
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the source is reluctant to give the infromation
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when there is less time
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when the finances are less
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All of the above
Explanation
Indirect oral investigation method of collection of data is to be used when the source is reluctant to give the information. People who have sufficient knowledge about the issue, are asked questions and data is obtained from their answers.
For getting periodical information, the best way to seek data is to collect it ________.
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Indirectly by oral investigation
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Mailed questionnaire
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Information received from local agencies
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All of the above
Explanation
For getting periodical information, the best way to seek data is to collect it from the information received from local agencies. Periodical information refers to the data on the regular issues. Hence, local agencies can provide the best information.
International tourist is randomly selected on a beach in Singapore to ask how many days they spend in Singapore. Estimate the results that will be obtained by this method.
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This method will give reliable results if many tourists are asked
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This method will overestimate the time tourists stay in Singapore
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This method will underestimate the time tourists stay in Singapore
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This method will work only in sunny weather
Explanation
Option B is correct.
If international tourists are randomly selected on a beach in Singapore to ask how many days they spend in Singapore:
This method will overestimate the time tourists stay in Singapore. This is because there can be some people who may stay for very little time whereas others may have come for a long stay. This will cause the results to be unfavourable and incorrect.
'Collection of data' refers to systematic recording of results -
A. By counting
B. By enumeration
Select the correct answer from the options given below -
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B only
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A only
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Either A or B
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Neither A nor B
Explanation
'Collection of data' refers to systematic recording of results either by counting or by enumeration. Collecting data by enumeration is much more expensive than collecting data by counting.
Primary data may be collected by ______________.
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direct personal interview
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indirect oral interview
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information received from local agencies or correspondents
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Any of the above
Explanation
Primary data is the data, which is collected for the first time by investigators. It is also known as raw data. It is the first-hand information. It refers to the collection of data for a specific purpose. It is original in nature. Primary data is more reliable, accurate and adequate than the secondary data. it may be collected by direct personal interview, indirect oral interview and by information received from local agencies or correspondents.
Primary data is _______________.
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first hand information
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already published data
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original in nature
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(A) and (C)
Explanation
Primary data is the data, which is collected for the first time by investigators. It s also known as raw data. It is the first-hand information. It refers to the collection of data for a specific purpose. It is original in nature since it is collected directly by the user.
The sources from where primary data can be collected are known as _______________.
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outside sources
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secondary sources
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primary sources
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inside sources
Explanation
Primary data is the data, which is collected for the first time by investigators. It s also known as raw data. It is the first-hand information. It refers to the collection of data for a specific purpose. The sources from where primary data can be collected are known as primary sources.
Which of the following terms best describes data that we originally collected at an earlier time by a different person for a different purpose?
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Field note
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Experimental data
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Secondary data
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Primary data
Explanation
Secondary data is the second-hand information since the secondary data is not collected or gathered by the user. It should be accurate, reliable and suitable. For example, government census report is a secondary data. Thus, secondary data that we originally collected at an earlier time by a different person for a different purpose.
_________refers to the data which is already collected and published by other authorities.
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Primary Data
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Unprocessed data
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Secondary Data
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None of above
Explanation
Secondary data is the second-hand information as it is not collected by the user. Thus, secondary data refers to the data which is already collected and published by other authorities. For example, government census report is a secondary data.
Secondary data is __________________.
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first hand information
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already published data
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original in nature
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(A) and (C)
Explanation
Secondary data is the second-hand information since the secondary data is not collected or gathered by the user. It should be accurate, reliable and suitable. For example, government census report is a secondary data. Thus, secondary data that we originally collected at an earlier time by a different person for a different purpose. It is already published data.
Which of the following organization collect and publish the primary data?
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Central statistical Organization (CSO)
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Reserve Bank of India (RBI)
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National Sample Survey (NSS)
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All of above
Explanation
Primary data is the data, which is collected for the first time by investigators. It s also known as raw data. It is the first-hand information. It refers to the collection of data for a specific purpose. Primary data is collected by the following organizations- Central statistical Organization, Reserve Bank of India and National Sample Survey.
In case the data were collected on the basis of sample, the users should satisfy themselves regarding:
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Adequacy of sample
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Use of proper sampling technique
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Collection of data by trained, experienced and unbiased investigator
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All of above
Explanation
In case the data were collected on the basis of sample, the users should satisfy themselves regarding the following:
a) adequacy of sample
b) use of proper sampling technique
c) collection of data by trained, experienced and unbiased investigator
Which of these is not a method of data collection?
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Observation
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Experiments
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Interviews
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Questionnaires
Explanation
Experiment is not a method of data collection. Experiment is a procedure which can be repeated for indefinite times. It is also known as trial.
The techniques of census investigation is advocated by its users because of _________________.
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intensive study i.e. It enables to study more than one aspect of each item of population
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reliability of data
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suitable choice in the situations when different items of population are not homogeneous
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All of above
Explanation
Census investigation refers to the examining the whole population. It involves complete count. The technique of census investigation is advocated by its users because of the following reasons-
a) intensive study i.e. It enables to study more than one aspect of each item of population
b) reliability of data
c) suitable choice in the situations when different items of population are not homogeneous
Under _______ of enquiry, the trained enumerators personally visits the informants and explain the objectives of enquiry, ask questions and record their replies.
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direct personal interview method
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information received from local agencies or correspondents
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indirect oral interview method
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questionnaire sent through enumerators methods
Explanation
Under questionnaire sent through enumerators method of enquiry, the trained enumerators personally visits the informants and explain the objectives of enquiry, ask questions and record their replies. More reliable and accurate data can be obtained by this method since there is a face to face communication between the informants and the investigator.
Sampling process involves __________________.
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selecting the sample
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collecting the information
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making an inferences about population
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All of above
Explanation
A sample is a part of the whole population. It represents all the characteristics of the whole population. Sample survey investigation is done to save time. Sampling process involves-
a) selecting the sample
b) collecting the information
c) making an interferences about population
Under which of the following method, investigators collect data by contacting third-party or informants who are supposed to possess the information on the problem under investigation?
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Indirect oral interview
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Schedule sent through enumerators
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Mailed questionnaire method
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Direct personal interview
Explanation
Under indirect oral interview method of data collection, investigators collect data by contacting third-party or informants who are supposed to possess the information on the problem under investigation. This method is usually used when the sensitive questions are to be asked, such as questions regarding income, illegal activities, etc.
In case of rail accident, the appropriate method of data collection is by a ________.
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direct interview
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personal interview
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indirect interview
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All of above
Explanation
Under indirect interview method of data collection, investigators collect data by contacting third-party or informants who are supposed to possess the information on the problem under investigation.
In case of rail accident, the appropriate method of data collection is by indirect interview.
Under which of the following method, investigators personally visit the respondents, ask them questions pertaining to the enquiry and collect the desired information?
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Indirect oral interview
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Schedule sent through enumerators
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Mailed questionnaire method
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Direct personal interview
Explanation
Under direct personal interview method of data collection, investigators personally visit the respondents, ask them questions pertaining to the enquiry and collect the desired information. By this method more accurate and reliable data can be obtained as there is face to face communication.
Statistical data are collected only with ____________.
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100% accuracy
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a reasonable degree of accuracy
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a reasonable degree of inaccuracy
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all of the above
Explanation
It is not possible for statistical data to be 100% accurate. Statistical facts can be affected by multiple causes, there is a lot of scope for error to be embedded in the data collected, one reason is that there may be biases on the part of the interviewer and/or the interviewee. Thus, large samples are taken to ensure reasonable degree of accuracy.
_______ refers to the process of learning about population on the basis of sample drawn from it.
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Direct investigation
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Sample investigation
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Census investigation
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Complete enumeration method
Explanation
Sample investigation refers to the process of learning about population on the basis of sample drawn from it. It helps to examine samples. Sample is a representativ of the whole population.
_______ method of collecting information is usually adopted by newspaper agencies.
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Schedule sent through enumerators
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Mailed questionnaire method
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Information received from local agencies
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Experiments
Explanation
Information received from local agencies method of collecting information is usually adopted by newspaper agencies. Information received from local agencies are primary data, but when it is adopted by newspaper agencies it becomes the secondary data.
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