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20 questions
A ________ is a collection of numbers gathered to give some information.
frequency
data
bar graph
tally marks
Listing of data in the form in which it was collected. Then, the data is known as
raw data
arrayed data
organised data
What is the frequency of the tally mark?
20
2
50
10
Representation of data in the form of pictures is called
bar graph
pictograph
histogram
none of these
If # represents 7 balloons, how many symbols will be required to represent 56 balloons?
10
8
9
6
If O O O O represents 3000 eggs, what does O O stand for?
In a bar graph bars are made _________
only vertically
only horizontally
oblique
sometimes horizontally sometimes vertically
The _________ of each bar gives the required information?
breadth
length
area
none of the above
In a bar graph space between rectangles is always
equal
increasing
decreasing
unequal
The following pictograph shows the number of absentees in a school during the previous week.
On which day were the maximum number of students absent?
What was the total number of absentees in that week?
600
130
150
100
On which day 30 students were absent?
Thursday
Friday
Wednesday
Saturday
In which year, the maximum cars were sold?
2008
2009
2010
2011
What is the scale chosen on the vertical axis representing the number of cars?
What is the least number of cards sold?
400
600
500
800
The above bar chart shows the marks obtained by Aditya in his class 6 examinations.
Name the subject in which Aditya obtained the maximum marks
In which subjects he scored the same marks.
History
Science
English
Geography
What is the role of a key/scale in any graph?
helps to measure or quantify objects
shows the numbers or pictures are used in data.
makes the representation of data flexible
there can be different units of scale in a graph
Which is the best way to represent huge and complex data?
Tally Marks
Pictographs
Bar Graphs
Why is data handling useful?
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