S.chand publication New Learning Composite mathematics solution of class 8 Chapter 13 Data Handling Exercise 13A

 Exercise 13A

Question 1

(1) (a)

Number	Frequency
2	5
3	3
4	4
5	3
6	2
7	3

(b)

Number	Frequency
12	1
13	4
14	4
15	3
16	3
17	5

(3)

Weight	44	49	55	60	64	68	70
Frequency	7	8	5	2	4	3	1

(a) 44 kg

(b) 7 persons

(c) 1 person

(d) 49 kg weight.

(4) (a)

Data	Tally Marks	Frequency
5 – 9	I	1
10 – 14	I	1
15 – 19	IIIII	6
20 – 24	IIIII	6
25 – 29	IIII	5
30 – 34	IIIII	5

(b)

Books on the Shelves	Tally Marks	Frequency
26 – 30	IIIII	5
31 – 35	IIII	4
36 – 40	IIIII	5
41 – 45	IIII	4

(5)

Monthly rent	Frequency
30 – 40	6
40 – 50	8
50 – 60	3
60 – 70	4
70 – 80	6
80 – 90	3

(6)

Mark	Frequency
0 – 8	2
8 – 16	6
16 – 24	4
24 – 32	7
32 – 40	7
40 – 48	8
48 – 56	5
56 – 64	6