Why mcqs of class 11 Statistics lesson 2 Collection of data is important ?
- these mcqs are important because these questions cover a wide topic of the chapter
- mcqs are easy to understand
- mcqs break the big topic in some small topic so they are easy to learn
- they give a short revision at the time of class 11 Statistics exam
How to get pdf of class 11 Statistics lesson 2 Collection of data mcqs
Increasing role of mcqs in board exam
MCQ’S TEST
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CLASS 11 STATISTIC LESSON 2 COLLECTION OF DATA OBJECTIVE QUESTIONS MCQ’S TEST
1. Data originally collected in the process of investigation are known as
Third data
Primary data
Foreign data
Secondary data
Answer - B
Explanation - It is primary data because the information or data collected through investigation is directly from the field. It is not from any other recorded sources.
2. What is Secondary data?
Both
Data collected from some other agency
Data collected in the process of investigation
None
Answer - B
Explanation - It is Secondary data because the information or data collected is from some other recorded sources or other agencies who have already collected the information through investigation or survey.
3. Which of the following is not the published source.
International publications
Semi government publications
Web site
Government publications
Answer - C
Explanation - Website is not the published source because it is not published with the consent of respective authority.
4. Following are the methods of collecting primary data except _____.
Stratified sampling
Direct personal interviews
Mailed questionnaire method
Information through correspondents
Answer - A
Explanation - It is a type of Restricted Random Sampling.
5. The method of generalizing data collected from a few units out of the entire population is called _____.
Median
Sample method
Probability
Census method
Answer - B
Explanation - The data is collected from a handful of populations and the conclusion is generalized to the whole population. Concluding the quality of rice by checking only a few grains of it, is a daily life example of a sampling method.
6. Census is
The method of planning, organising and publishing data.
The method In which data is collected from each and every unit.
The method in which no data is collected
The method in which few units out of the entire population are chosen.
Answer - B
Explanation - The Census Method is also called a complete enumeration method wherein each and every item in the universe is selected for the data collection. The universe might constitute a particular place, a group of people or any specific locality which is the complete set of items and which are of interest in any particular situation.
7. Data collected by research institutions , scholars , trade associations but not published is
Collective data
Personal Data
Published Data
Unpublished Data
Answer - D
Explanation - Because the data has not been published, it is known as unpublished data. Still the data from these sources may be used when needed.
8. The problem of doubtful conclusion arises mainly in
Direct personal interviews
Information through correspondents
Indirect Oral Investigation
Information through mailed questionnaire
Answer - C
Explanation - In this method , because the data is collected through indirect sources it may lead us to doubtful conclusions due to ignorance and carelessness of the witness.
9. A person who actually collects the desired information is called _______.
population
Respondents
Investigator
Enumerator
Answer - D
Explanation - An enumerator is the person who collects data on the behalf of an investigator( an individual or an organisation).
10. Sample method, compared to Census method, is much better because
Carried out by large no of investigator
More reliable
It is less time consuming
More expensive
Answer - C
Explanation - Because a part of the population is surveyed, it takes less time.
11. Statistical enquiry means
It is science for knowledge
Collection of anything
Search for knowledge
Search for knowledge with the help of statistical methods.
Answer - D
Explanation - Statistical methods of collecting, organising and analysing data are used to conclude or solve a problem for present or future use.
12. One of the drawbacks of the Direct personal investigation method is ______.
It is very costly and time taking process
Lacks reliability
Difficult to get original data
Questions might be misinterpreted
Answer - A
Explanation - Here, the investigator himself visits the persons that are the source of the data and collects necessary information either through interview with the persons concerned or through observation of the data on the spot due to which this method is costly as well as time taking.
13. Under which method investigator prepares a questionnaire keeping in view the objective of enquiry?
Direct personal interviews
Information through correspondents
Indirect Oral Investigation
Mailed questionnaire method
Answer - D
Explanation - It is done to make the questions easy, simple, and understandable so that the informant can answer without any help.
14. Collection of data includes ________.
Regeneration of data form the actual one.
Method of collecting data
Only collecting information.
Collecting valuable data from a variety of sources, using suitable methods of collection.
Answer - D
Explanation - In statistics, collection of data has two dimensions. ie; collection of data from informants and the method of collecting it. here source means the population or the informants and methods are questionnaire, telephonic interview, information through correspondence etc.
15. Which of the following is true regarding secondary sources of data?
Can rely on this data as compare to primary data
It provides first hand information
Collection of data from sources who already have collected the data.
It implies collection of data from its original source
Answer - C
Explanation - When the data is collected by an individual or an organisation and another individual or organisation use that data , this data will be termed as secondary data. The objective of collection may vary amongst the investigating and using organisation.
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