Page 185 - Math Skill - 5

Data Handling 183

D. Assertion-Reason Based Questions
Directions for Questions 1 to 2: In each of the questions given below, there are two statements
marked as Assertion (A) and Reason (R). Mark your answer as per the codes provided below:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false. (d) A is false but R is true.

Q.1. Assertion (A) : Raw data should be arranged in tabular form for its representation.
Reason (R) : Representation through bar graph or pictograph is less efficient or organized.

Q.2. Assertion (A) : In a pictograph, if a symbol represent 15 books then will
represent 15 books.

Reason (R) : 3 × = 3 × 15 = 45

Word Stock
Graph Specific Bar Table Horizontal Vertical Label

Activity

Objective : To make a model of bar graph by using paper cutting method.

Materials Required : Pencil, paper sheet, sketch pens or coloured paper, scissors, fevicol and ruler
Procedure : 1. Collect the data of your marks (out of 100) in all the subjects in an exam and
write them in form of a table as shown below.

English Maths Hindi Science Social science

73 85 67 81 59

2. Keeping in view the minimum and maximum marks, choose an appropriate
scale, say 0–100.
3. Cut out strips of coloured papers 90
of different lengths according to 80
marks obtained in different 70
subjects as per appropriate scale 60
chosen. 50
Paste these strips as shown in 40 73 85 67 81 59
Marks 20
figure below. 30

10
0
English Maths Hindi Science Social Science

Subjects