Exercise 9.1 Exercise 9.2 Exercise 9.3 Exercise 9.4 |
NCERT Answers for Class 6 Maths Chapter 9 Data Handling Exercise 9.2
Page 196
Ex 9.2 Class 6 Maths Question 1. Total number of animals in five villages are as follows :
Village A : 80 Village B : 120
Village C : 90 Village D : 40
Village E : 60
Prepare a pictograph of these animals using one symbol ⊗ to represent 10 animals and answer the following questions :
(a) How many symbols represent animals of village E?
(b) Which village has the maximum number of animals?
(c) Which village has more animals : village A or village C?
Answer
We can draw the pictograph for the given data as shown below
Village | Number of Animals ⊗ – 10 animals |
Village A | ⊗⊗⊗⊗⊗⊗⊗⊗ |
Village B | ⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗ |
Village C | ⊗⊗⊗⊗⊗⊗⊗⊗⊗ |
Village D | ⊗⊗⊗⊗ |
Village E | ⊗⊗⊗⊗⊗⊗ |
(a) There are 60 animals in village E. So 6 symbols represent animals of village E
(b) Village B has 120 animals which is the maximum number among these villages.
(c) Village A has 80 animals and village C has 90 animals. Clearly village C has more animals than village A
Ex 9.2 Class 6 Maths Question 2. Total number of students of a school in different years is shown in the following table
Years | Number of students |
1996 | 400 |
1998 | 535 |
2000 | 472 |
2002 | 600 |
2004 | 623 |
A. Prepare a pictograph of students using one symbol to represent 100 students and answer the following questions:
(a) How many symbols represent total number of students in the year 2002?
(b) How many symbols represent total number of students for the year 1998?
B. Prepare another pictograph of students using any other symbol each representing 50 students. Which pictograph do you find more informative?
Answer
– 100 students | |
1996 | |
1998 | |
2000 | |
2002 | |
2004 |
A
(a)Total number of students in the year 2002 represents 6 symbols
(b) Total number of students in the year 1998 represents 5 complete and 1 incomplete symbols.
B. Second is more informative
∞ – 50 students | |
1996 | ∞∞∞∞∞∞∞∞ |
1998 | ∞∞∞∞∞∞∞∞∞∞ο |
2000 | ∞∞∞∞∞∞∞∞ο |
2002 | ∞∞∞∞∞∞∞∞∞∞∞∞ |
2004 | ∞∞∞∞∞∞∞∞∞∞∞∞ο |
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