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
57
persons in a group.
Find the
median weight.
Weight (in kg)
10 - 20
21 - 31
32 - 42
43 - 53
54 - 64
No. of persons
12
14
10
13
8
(i)
137
4
kg
(ii)
69
2
kg
(iii)
141
4
kg
(iv)
145
4
kg
(v)
139
4
kg
Question
2
2.
The following table shows the weights of
67
persons in a group.
Find the
median weight.
Weight (in kg)
50 - 55
55 - 60
60 - 65
65 - 70
70 - 75
No. of persons
15
11
11
15
15
(i)
698
11
kg
(ii)
127
2
kg
(iii)
1417
22
kg
(iv)
1395
22
kg
(v)
1439
22
kg
Question
3
3.
The daily wages of
116
workers in a factory are given below.
Find the
median wage.
Wage (in rupees)
20 - 26
27 - 33
34 - 40
41 - 47
48 - 54
55 - 61
62 - 68
69 - 75
No. of workers
5
20
29
5
14
8
14
21
(i)
₹
46.20
(ii)
₹
46.10
(iii)
₹
46.30
(iv)
₹
48.10
(v)
₹
47.10
Question
4
4.
The daily wages of
124
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
No. of workers
28
11
19
24
26
16
(i)
₹
46.00
(ii)
₹
47.33
(iii)
₹
45.33
(iv)
₹
45.67
(v)
₹
46.33
Question
5
5.
A frequency distribution table is given below.
Find the
median .
Class-Interval
1 - 7
8 - 14
15 - 21
22 - 28
29 - 35
Frequency
10
39
11
48
27
(i)
787
32
(ii)
723
32
(iii)
755
32
(iv)
181
8
(v)
725
32
Question
6
6.
A frequency distribution table is given below.
Find the
median .
Class-Interval
13 - 20
20 - 27
27 - 34
34 - 41
41 - 48
48 - 55
55 - 62
Frequency
20
10
31
44
4
31
45
(i)
3433
88
(ii)
3609
88
(iii)
3521
88
(iv)
3435
88
(v)
1717
44
Question
7
7.
The following frequency distribution table gives
the monthly consumption of electricity of
111
consumers in a locality.
Find the
median units.
Monthly consumption (in units)
55 - 65
65 - 75
75 - 85
85 - 95
95 - 105
105 - 115
No. of consumers
21
12
22
22
9
25
(i)
938
11
units
(ii)
1897
22
units
(iii)
1877
22
units
(iv)
1919
22
units
(v)
1875
22
units
Assignment Key
1) (i)
2) (iv)
3) (ii)
4) (iii)
5) (ii)
6) (i)
7) (v)