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\ 07-Nov-2024 Bharat Arora Proof-8 Reader’s Sign _______________________ Date __________

Bar graph :
6. (a) Students Marks obtained in Marks obtained in half
quarterly test yearly test

Ashish 10 15
Arun 15 18

Kavish 13 16
Maya 20 22

Rita 8 15
(b) Yes, the new teaching technique should be continued because the
performance of all the listed students are improving.
7.
Chapter Assessment
A. 1. (d)
2. (d)
3. (d)
4. (c)
5. (d)
B. 1. raw
2. frequency
3.
4. frequency distribution table
(a) Maths (b) English (c) Yes, in Hindi 5. pictograph
C. 1. True
Mental Maths 2. False
1. 80 ants 3. False
2. Butterflies 4.
3. 14 grasshoppers True
4. 212 5. False
D. 1. Marks obtained Tally marks Number of students
Brain Sizzlers
10 1
Profession Tally marks Frequency
(Number of students) 15 2
Politician 6 5
19
Doctor 10 20 4

Engineer 6 24 6

Pilot 8 25 6

Officer 6 30 6

Total 36 Total 30
(a) 6 students (b) 22 students (c) 21 students
Pictograph :
2. Modes of transport Number of students
Profession Number of students Car
Politician
Cycle
Doctor
Private Van
Engineer
School Bus
Pilot
Walking
Officer

Key: 1 = 1 student Key: 1 = 50 students and 1 = 25 students

315 Answers