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
66
persons in a group.
Find the
median weight.
Weight (in kg)
50 - 56
57 - 63
64 - 70
71 - 77
78 - 84
No. of persons
10
17
13
7
19
(i)
1737
26
kg
(ii)
1787
26
kg
(iii)
1735
26
kg
(iv)
868
13
kg
(v)
1761
26
kg
Question
2
2.
The following table shows the weights of
106
persons in a group.
Find the
median weight.
Weight (in kg)
50 - 58
58 - 66
66 - 74
74 - 82
82 - 90
90 - 98
98 - 106
No. of persons
16
14
19
20
9
18
10
(i)
388
5
kg
(ii)
76
kg
(iii)
379
5
kg
(iv)
378
5
kg
(v)
383
5
kg
Question
3
3.
The daily wages of
145
workers in a factory are given below.
Find the
median wage.
Wage (in rupees)
20 - 29
30 - 39
40 - 49
50 - 59
60 - 69
70 - 79
80 - 89
90 - 99
No. of workers
27
6
9
6
23
27
18
29
(i)
₹
70.06
(ii)
₹
70.11
(iii)
₹
71.06
(iv)
₹
72.06
(v)
₹
70.17
Question
4
4.
The daily wages of
96
workers in a factory are given below.
Find the
median wage.
Wage (in rupees)
20 - 27
27 - 34
34 - 41
41 - 48
48 - 55
No. of workers
21
17
16
29
13
(i)
₹
39.38
(ii)
₹
38.50
(iii)
₹
40.38
(iv)
₹
38.62
(v)
₹
38.38
Question
5
5.
A frequency distribution table is given below.
Find the
median .
Class-Interval
7 - 17
18 - 28
29 - 39
40 - 50
51 - 61
62 - 72
73 - 83
Frequency
24
25
48
44
33
41
26
(i)
371
8
(ii)
91
2
(iii)
365
8
(iv)
363
8
(v)
379
8
Question
6
6.
A frequency distribution table is given below.
Find the
median .
Class-Interval
1 - 10
10 - 19
19 - 28
28 - 37
37 - 46
46 - 55
Frequency
12
40
43
25
45
4
(i)
2221
86
(ii)
1110
43
(iii)
2391
86
(iv)
2305
86
(v)
2219
86
Question
7
7.
The following frequency distribution table gives
the monthly consumption of electricity of
88
consumers in a locality.
Find the
median units.
Monthly consumption (in units)
46 - 56
56 - 66
66 - 76
76 - 86
86 - 96
96 - 106
No. of consumers
14
20
20
17
9
8
(i)
71
units
(ii)
69
units
(iii)
72
units
(iv)
73
units
(v)
70
units
Assignment Key
1) (iii)
2) (iv)
3) (i)
4) (v)
5) (iv)
6) (v)
7) (i)