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Class 11 Organisation of Data worksheet
CBSE Social Science. Raw data, kinds of classification, continuous and discrete variables, frequency distributions, class marks, tally marks, exclusive and inclusive classes. 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 in the form in which they were collected, not yet classified, are:
- a frequency distribution
- secondary data
- grouped data
- raw data
Answer
(d) raw data
- 2.
Classifying “families grouped by income ranges” is an example of:
- qualitative
- spatial
- quantitative
- chronological
Answer
(c) quantitative
- 3.
Which of these is a continuous variable?
- the number of students in a class
- the number of cars sold in a day
- the number of children in a family
- the height of students
Answer
(d) the height of students
Section B · short answer
- 4.
What is the purpose of classifying data?
Answer
To arrange raw data into groups so that they are easy to understand, compare and analyse.
- 5.
Is each variable continuous or discrete? (a) the number of students in a class (b) the temperature of a city
Answer
(a) discrete (b) continuous
Section C · long answer
- 6.
Explain four kinds of classification with examples.
Answer
Chronological (production by year), spatial (output by state), qualitative (workers by gender), quantitative (students by marks in classes).
Fresh sheets for your child
In the app, every Organisation 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.
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