Vidaara.orgClass 11 · Mathematics
CodeVID-M11-WS
Presentation of Data — Practice Worksheet
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- All questions are compulsory.
- Choose the correct option (A, B, C or D) for each question.
- The answer key is at the end — try the paper first!
Section A — Multiple Choice (1 mark each)
15 × 1 = 15 marks
1.
Arranging data in rows and columns is called ____ presentation.
- A.Diagrammatic
- B.Tabular
- C.Graphical
- D.Oral
2.
The column headings of a table are called:
- A.Stubs
- B.Captions
- C.Body
- D.Title
3.
The row headings of a table are called:
- A.Captions
- B.Stubs
- C.Footnotes
- D.Body
4.
The part of a table that contains the actual figures is the:
- A.Body
- B.Title
- C.Head note
- D.Source note
5.
The note stating where data came from is the:
- A.Footnote
- B.Source note
- C.Head note
- D.Caption
6.
In a simple bar diagram, the value is shown by the bar's:
- A.Colour
- B.Height
- C.Width
- D.Position
7.
Bars drawn side by side to compare categories form a:
- A.Component bar diagram
- B.Multiple bar diagram
- C.Histogram
- D.Pie chart
8.
A bar divided into parts to show components of a total is a:
- A.Simple bar diagram
- B.Component bar diagram
- C.Pie chart
- D.Ogive
9.
In a pie chart, the angle of a slice equals:
- A.(component ÷ total) × 360°
- B.component × 360°
- C.total ÷ component
- D.component + total
10.
A component worth one-fourth of the total takes a pie angle of:
- A.45°
- B.90°
- C.180°
- D.360°
11.
A graph of a frequency distribution with adjoining rectangles is a:
- A.Histogram
- B.Bar diagram
- C.Pie chart
- D.Line graph
12.
Joining the mid-points of the tops of histogram bars gives a:
- A.Frequency polygon
- B.Ogive
- C.Pie chart
- D.Bar diagram
13.
A cumulative frequency curve is called an:
- A.Ogive
- B.Polygon
- C.Histogram
- D.Pictogram
14.
The two ogives (less than and more than) cross at the:
- A.Mean
- B.Median
- C.Mode
- D.Range
15.
Data recorded over time is best shown by a:
- A.Pie chart
- B.Time series (line) graph
- C.Component bar diagram
- D.Histogram
Section B — Challenge / Olympiad (2 marks each)
10 × 2 = 20 marks
16.
A newspaper shows household spending split into food, rent, and savings as slices of a circle. This is a:
- A.Pie chart
- B.Histogram
- C.Ogive
- D.Time series graph
17.
If transport is 25% of a family's budget, its pie-chart slice has an angle of:
- A.90°
- B.25°
- C.120°
- D.360°
18.
A histogram's bars touch each other, unlike a bar diagram, because a histogram shows:
- A.Continuous class intervals with no gaps
- B.Separate categories
- C.Pie slices
- D.Time trends
19.
To show how India's GDP changed each year from 2010 to 2024, the best presentation is a:
- A.Time series line graph
- B.Pie chart
- C.Component bar diagram
- D.Stub table only
20.
A school wants to show, for each of 3 years, the number of boys and girls separately. The clearest diagram is a:
- A.Multiple bar diagram
- B.Simple bar diagram
- C.Pie chart
- D.Ogive
21.
An economist wants to read off the median of grouped data graphically. She should draw an:
- A.Ogive
- B.Pie chart
- C.Simple bar diagram
- D.Pictogram
22.
A table without a source note is weaker mainly because readers:
- A.Cannot check where the data came from
- B.Cannot see the title
- C.Cannot read the body
- D.Lose the captions
23.
To show the parts that make up a single total within one bar, use a:
- A.Component (sub-divided) bar diagram
- B.Multiple bar diagram
- C.Histogram
- D.Time series graph
24.
Compared with a paragraph of figures, a good table is better because it:
- A.Presents data clearly at a glance for easy comparison
- B.Hides the numbers
- C.Removes the source
- D.Adds opinions
25.
Smoothing a frequency polygon into a free-hand curve gives a:
- A.Frequency curve
- B.Ogive
- C.Pie chart
- D.Bar diagram
Answer Key
Section A — Multiple Choice (1 mark each)
- (B) Tabular
- (B) Captions
- (B) Stubs
- (A) Body
- (B) Source note
- (B) Height
- (B) Multiple bar diagram
- (B) Component bar diagram
- (A) (component ÷ total) × 360°
- (B) 90°
- (A) Histogram
- (A) Frequency polygon
- (A) Ogive
- (B) Median
- (B) Time series (line) graph
Section B — Challenge / Olympiad (2 marks each)
- (A) Pie chart
- (A) 90°
- (A) Continuous class intervals with no gaps
- (A) Time series line graph
- (A) Multiple bar diagram
- (A) Ogive
- (A) Cannot check where the data came from
- (A) Component (sub-divided) bar diagram
- (A) Presents data clearly at a glance for easy comparison
- (A) Frequency curve
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