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6th Grade > Mathematics

DATA HANDLING MCQs

Total Questions : 94 | Page 1 of 10 pages
Question 1. In a numerical data set , how should the numbers be arranged in order to find the highest and lowest values. 
  1.    Arrange them in ascending or descending order
  2.    Arrange only in descending order
  3.    Arrange them randomly
  4.    Arrange only in ascending order
 Discuss Question
Answer: Option A. -> Arrange them in ascending or descending order
:
A
If you record the data in ascending or descending order, it will be organised and hence, it's analysis will be much easier.
Question 2.  
Given bar graph shows the runs scored by 6 teammates. Who scored the lowest?
 Given Bar Graph Shows The Runs Scored By 6 Teammates. Who ...
  1.    Aju
  2.    Shubh
  3.    Vipul
  4.    Shruti
 Discuss Question
Answer: Option D. -> Shruti
:
D
The length of bar shows the value of data being represented. As the bar corresponding to Shruti is the smallest (corresponding to 0 value), she scored the least.
Question 3. The information represented by a bar graph can never be represented by a pictograph.
  1.    True
  2.    False
  3.    Vipul
  4.    Shruti
 Discuss Question
Answer: Option B. -> False
:
B
This statement is false. The information which can be represented by a bar graph can be represented by a pictograph too. However, the preference may vary depending upon convenience and the context.
Question 4. The bar graph shows the favourite subjects of 20 students in class VI 'B'. How many more of them prefer Mathematics to Science?
FAVOURITE SUBJECTS OF 20 STUDENTS
The Bar Graph Shows The Favourite Subjects Of 20 Students In...
Here the horizontal axis is x axis which represents  subjects  and vertical axis is y axis which represents number of students. x axis represents subjects and the scale y axis 1 cm = 1 student.
  1.    2
  2.    3
  3.    4
  4.    5
 Discuss Question
Answer: Option C. -> 4
:
C
5 of them prefermathematics and only one preferscience.
So,5 - 1 = 4
Therefore mathematics is preferred by 4 more students than science.
Question 5. The following chart shows the sales of cars in thousands. [3 MARKS]
a) What is the number of cars sold in 2002-2003? 
b) What is the total sale of Maruti cars? 
c) What is the difference in the sales of Maruti & GM?
The Following Chart Shows The Sales of Cars In Thousands. ...
 Discuss Question

:
Each option: 1 Mark
a)Total numbers of cars soldin2002-2003 =(6 + 12 + 5 + 16 + 7) × 1000 = 46000
b)Total saleof Maruti over three years = (5 + 8 +15) ×1000 = 28000
c)Total saleof GM over three years = (12 + 17 + 17) × 1000 = 46000
Hence, the difference between the salesof GM and Maruti = (46000 - 28000) =18000
Question 6. Collection of cakes by Lara, Linda, Sara and Carol in two weeks are given below.
Collection Of Cakes By Lara, Linda, Sara And Carol In Two We...
a) The number of cakes Linda has by the end of two weeks.
b) The difference in the number of cakes between Carol and Linda by the end of two weeks.
c) Total numbers of cakes by all the members.
d) Difference between the highest and the lowest number of cake.
[4 MARKS]
 Discuss Question

:
Each option: 1 Mark
Above data, shows the numbers of cakes Lara, Linda, Sara and Carol have in two weeks.

Numbers of cakes Linda has = (5 + 5)×5 = 50
Numbers of cakes Lara has = (8 + 8) ×5 = 80
Numbers of cakes Sara has = (4 + 4) ×5 = 40
Numbers of cakes Carol has = (6 + 7) ×5= 65

a)Numbers of cakes Linda has is 50.
b) Numbers of cakes Carol has is 65
Difference in Carol and Linda = 65 - 50 = 15.
c) Total numbers of cakes =50 + 80 + 40 + 65 = 235.
d) Highest number of cake = 80
Lowest number of cake = 40
So, their difference is the = 80- 40 = 40.
Question 7. What is data? [1 MARK]
 Discuss Question

:
Data is a collection of numbers gathered to give some information.
Question 8. We have marks of different students in three different tables below. Which one of the following is the easiest to analyse?
A)StudentMarks scored (Out of 100)A77B65C93D42E88
B)StudentMarks scored (Out of 100)E88D42C93B65A77
C)StudentMarks scored (Out of 100)D42B65A77E88C93
  1.    A
  2.    B
  3.    C
  4.    Both A & B
 Discuss Question
Answer: Option C. -> C
:
C
The data in table C is organised.
It is organised in ascending order.
We can easily answer the questions asked from the data in table C as compared to other data sets.
Also, when the number of students is more, it's almost impossible to analyse the data if it is not organised.
If we store it in alphabetical order, it is hard to determine who scored the least marks or who scored the highest marks.
So A is not always the best way to organise for easy analysis.
Question 9. The table shows the number of pets owned by students in classes A and B. Draw a bar graph.
PetClass AClass BDog1214Cat98Bird23
a. Which class has more number of pets?
b. Which class has the greater number of birds?
[4 MARKS]
 Discuss Question

:
Drawing: 2 Marks
Option a: 1 Mark
Option b: 1 Mark
The Table shows The Number Of Pets Owned By Students In cl...
Total number of pets class A has = 12 + 9 + 2 = 23
Total number of pets class B has = 14 + 8 + 3 = 25
Clearly, class B has the greater number of pets.
Class A has 2 birds, while class B has 3 birds.
So class B has the greater number of birds.
Question 10. A car seller collects the following data of sales of cars from his shop.
Colour of carNumber of cars soldRed15Black20Silver17White12Others9
a)Which colour of cars is most liked?
b)What is the total number of cars sold from his shop?
[2 MARKS]
 Discuss Question

:
Each part: 1 Mark
a) Black coloured caris most liked by the customers. It is the highest selling product among all the colours.

b) Total number of cars sold= (15 + 20 + 17 + 12 + 9)= 73.

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