The frequency 7 is represented as VII using tally marks.
True
False
Bar graphs can be drawn only vertically.
True
False
Width of the bar is of no significance. It is merely for attraction.
True
False
In a bar graph, bars are drawn with equal spacing between them.
True
False
In a bar graph showing various modes of transportation used by students to travel to school, the bar having minimum length represents the most likely mode of transportation.
True
False
Bars can be drawn either vertically or horizontally.
True
False
In a bar graph, each bar (rectangle) represents only one numerical value of the data.
True
False
To represent the population of different towns using a bar graph, it is convenient to take one unit length to represent one person.
True
False
Click the correct answer.
What do we call the data collected directly from the source?
Secondary data
Primary data
Bar charts
First data
In a bar graph, the numerical values of the data are represented by which of the following?
Height of the bars
Thickness of the bars
Distance between two bars
None of these
In the organization of data, what is the use of tally marks?
To represent large number of values
To represent small number of values
To make the data look interesting
To differentiate between primary and secondary data
A scale of 1 unit represents 20 cars in a bar graph. What should be the height of the bar to represent 100 cars?
4 units
6 units
5 units
10 units
In which of the following it is important to mention the scale?
In bar graphs
In pictographs
In none of them
In both of them
Using tally marks, how is the number 4 represented?
IV
VI
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Click the correct answer.
Two bars of the same height represent
frequencies.
different
multiple
equal
In a
the data is represented using pictures or symbols.
bar graph
data graph
pictograph
In a pictograph, if an image of a watch represents 100 watches, then 700 watches can be represented by
images of the watch.
7
8
70
If picture of one electric bulb is used to represent 20 bulbs, then a picture of a half bulb will represent
bulbs.
5
10
20
In a bar graph, if a scale of 1 unit represents 5 lakhs, then
units will represent 35 lakhs.
7
30
9
Pieces of information in the form of numerical figures are called
.
data
tally marks
bar graphs
Choosing
is very important while drawing a bar graph and pictograph.
