EduSahara™ Assignment
Name : Median of Grouped Data
Chapter : Statistics
Grade : SSC Grade X
License : Non Commercial Use
Question
1
1.
The following table shows the weights of
71
persons in a group.
Find the
median weight.
Weight (in kg)
10 - 18
19 - 27
28 - 36
37 - 45
46 - 54
55 - 63
No. of persons
12
15
9
14
16
5
(i)
38
kg
(ii)
34
kg
(iii)
37
kg
(iv)
35
kg
(v)
36
kg
Question
2
2.
The following table shows the weights of
78
persons in a group.
Find the
median weight.
Weight (in kg)
30 - 39
39 - 48
48 - 57
57 - 66
66 - 75
No. of persons
15
19
6
20
18
(i)
111
2
kg
(ii)
115
2
kg
(iii)
56
kg
(iv)
113
2
kg
Question
3
3.
The daily wages of
120
workers in a factory are given below.
Find the
median wage.
Wage (in rupees)
20 - 28
29 - 37
38 - 46
47 - 55
56 - 64
65 - 73
74 - 82
No. of workers
8
23
24
13
15
27
10
(i)
₹
50.96
(ii)
₹
50.00
(iii)
₹
51.96
(iv)
₹
49.96
(v)
₹
50.04
Question
4
4.
The daily wages of
99
workers in a factory are given below.
Find the
median wage.
Wage (in rupees)
20 - 28
28 - 36
36 - 44
44 - 52
52 - 60
60 - 68
68 - 76
76 - 84
No. of workers
5
23
15
8
17
7
18
6
(i)
₹
51.50
(ii)
₹
50.50
(iii)
₹
51.00
(iv)
₹
52.50
Question
5
5.
A frequency distribution table is given below.
Find the
median .
Class-Interval
12 - 20
21 - 29
30 - 38
39 - 47
48 - 56
Frequency
15
48
24
9
21
(i)
459
16
(ii)
981
32
(iii)
919
32
(iv)
917
32
(v)
949
32
Question
6
6.
A frequency distribution table is given below.
Find the
median .
Class-Interval
11 - 21
21 - 31
31 - 41
41 - 51
51 - 61
61 - 71
71 - 81
81 - 91
Frequency
32
16
8
40
8
22
41
2
(i)
393
8
(ii)
193
4
(iii)
401
8
(iv)
385
8
(v)
387
8
Question
7
7.
The following frequency distribution table gives
the monthly consumption of electricity of
66
consumers in a locality.
Find the
median units.
Monthly consumption (in units)
53 - 73
73 - 93
93 - 113
113 - 133
133 - 153
No. of consumers
14
7
17
22
6
(i)
1822
17
units
(ii)
1855
17
units
(iii)
1823
17
units
(iv)
1838
17
units
(v)
1821
17
units
Assignment Key
1) (v)
2) (i)
3) (iv)
4) (ii)
5) (iv)
6) (iv)
7) (v)
