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Class 11 Collection of Data worksheet
CBSE Social Science. Primary and secondary data, questionnaires, interviews, census and sample surveys, random sampling, sampling and non-sampling errors. Every sheet has 20 questions in three sections and an answer key, and the numbers change every time.
Sample questions
Real questions from this chapter, as the app sets them. Tap Answer to see the answer and working.
Section A · multiple choice
- 1.
Data collected by the investigator for the first time are called:
- raw opinions
- published data
- secondary data
- primary data
Answer
(d) primary data
- 2.
Which mode of collecting data has this feature: the least expensive and reaches remote areas?
- a pilot survey
- a census
- mailed questionnaire
- telephone interview
Answer
(c) mailed questionnaire
- 3.
What is wrong with this survey question? “Don’t you think the library should open earlier?”
- it is vague; give ranges to choose from
- it is a leading question
- it uses a double negative that pushes the answer
- it adds a phrase that biases the answer
Answer
(c) it uses a double negative that pushes the answer
Section B · short answer
- 4.
Distinguish between primary and secondary data.
Answer
Primary data are collected first-hand by the investigator; secondary data are taken from sources that collected them earlier, like reports.
- 5.
Name the mode of collecting data (personal interview, mailed questionnaire or telephone interview) with each feature: (a) relatively low cost and a fairly high response rate (b) keeps respondents anonymous, best for sensitive questions
Answer
(a) telephone interview (b) mailed questionnaire
Section C · long answer
- 6.
Compare personal interviews, mailed questionnaires and telephone interviews.
Answer
Personal interviews: highest response, clarification possible, but costly and slow. Mail: cheapest, reaches remote areas, no interviewer influence, but low response and no clarification. Telephone: low cost and quick, but not everyone has a phone and reactions cannot be seen.
Fresh sheets for your child
In the app, every Collection of Data sheet is new: the app remembers the questions your child has already had and leaves them out. Print the sheet as a PDF, or use notebook mode and write the answers in a notebook.
Coming soon for Android and iPhone.