Organisation of Raw Data
Trending Questions
Obvious limitation with surveys and questionnaires is ?
The following pictograph shows the number of absentees in a class of 30 students during the previous week.
1. On which day were the maximum number of students absent?
2. Which day has full attendance?
3. What was the total number of absentees in that week?
A survey asked the question, “What is the most important thing kids can do to protect the environment ?” The results are shown in the table. Choose a scale for the bar graph of the given data. Draw and label the bar graph for it.
What information is given by the bar graph? [1 MARK]
In a bar graph, the heights of the bars are proportional to the respective frequencies of the different categories.
True
False
The pictogram shows the number of pupils who cycle to school.
Key: represents 30 pupils.
What is the total number of pupils who cycle to school?
 15
 300
 420
 450
The bar graph shows the favourite colours of 20 students in a class. How many more favoured orange than green?
5
2
3
4
A ___________ helps in answering the questions on the data at a glance
(A) By what percentage production of rose in other states is more than that of the Maharashtra?
(B) What is the approximate average production of roses (in thousands) across all the states?
(C) Approximately what percentage of the total rose production is shared by the other states?
The table shows the number of hand phones sold by Ramesh over a period of 3 days. Given that he sold 150 more hand phones on Tuesday than on Wednesday, which of the following pictograms represents the sales over the 3 days?
DayNumber of hand phonesMonday200TuesdayWednesday150

Key:: represents 50 hand phones

Key:: represents 50 hand phones

Key:: represents 50 hand phones 
Key:: represents 50 hand phones
(Note: 1 drop = 4 inches)
 80
What pieces of information given below would be useful in determining a football player's performance in a match?
i) Height
ii) Weight
iii) Name
iv) Stamina
only (i)
(i), (ii)
(i), (ii), (iv)
(iii), (iv), (v)
 bars
 symbols
 xaxis
 yaxis
Which among the options is/are the arrangement of the following data as an array?
10, 4, 9, 2, 5, 8, 4, 9
10, 4, 9, 2, 5, 8, 4, 9
2, 4, 4, 5, 8, 9, 9, 10
10, 4, 4, 2, 5, 8, 9, 9
10, 9, 9, 8, 5, 4, 4, 2
Draw an appropriate bar graph to depict the number of people with different blood groups. [4 MARKS]
Blood GroupNo. of PeopleA6B5AB3O1
What can be said about the profit of the company (from the following data) which sells tablets?
MonthJanuaryFebruaryMarchAprilMayNo. of tablets solds11009816451234990
The profit was maximum in April
The profit was maximum in March
The profit was same in January and April
Nothing can be said about the profit
Key:
represents 30 pupils.
What is the total number of pupils who cycle to school?
 300
 420
 450
 15
 30% loss
 20% loss
 25% gain
 15% gain
When the following data is arranged as an array(in ascending order), we get:
14, 18, 4, 18, 5, 6, 18, 6, 18
4, 5, 6, 6, 14, 18, 18, 18, 18
4, 5, 6, 6, 14, 18
4, 5, 6, 6, 14, 18, 18, 18
4, 5, 6, 14, 18
 33.33%
 35.22%
 36.11%
 10%
The body weighs ( in kg) of 12 children are given below :
$15,18,12,16,20,16,15,20,18,16,14,17$
The lightest child weighs 
$15kg$
$11kg$
$12kg$
$14kg$
What can be said about the profit of a company, which sells tablets, from the following data?
MonthJanuaryFebruaryMarchAprilMayNo. of tablets solds11009816451234990
The profit was maximum in April
The profit was maximum in March
The profit was same in January and April
Nothing can be said about the profit
The pictogram shows the number of visitors to an exhibition in a particular week. The number of visitors recorded after Wednesday is?
10
18
60
70
Raw data is ___.
information in a proper organised form
information in an unorganised form
same as data
information which is useless
If the stars presented to the companies are used to give rating on a scale of 10, then the rating of company C is
1
 12
 14
 2
 lower limit
 upper limit
 range
 frequency
 less than 34
 greater than 50
 less than or equal to 37
 lies in between 37 and 43
State whether the given statement is true or false:
The more data we have regarding something, the less accurate predictions we can draw.
True
False
What can be said about the profit of a company, which sells tablets, from the following data?
MonthJanuaryFebruaryMarchAprilMayNo. of tablets solds11009816451234990
The profit was same in January and April
The profit was maximum in April
The profit was maximum in March
Nothing can be said about the profit
For the data $0,1,2,2,1$and $0$:
The highest observation____.