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
83
persons in a group.
Find the
median weight.
Weight (in kg)
10 - 17
18 - 25
26 - 33
34 - 41
42 - 49
50 - 57
No. of persons
12
20
18
6
15
12
(i)
535
18
kg
(ii)
553
18
kg
(iii)
571
18
kg
(iv)
268
9
kg
(v)
179
6
kg
Question
2
2.
The following table shows the weights of
54
persons in a group.
Find the
median weight.
Weight (in kg)
40 - 47
47 - 54
54 - 61
61 - 68
68 - 75
No. of persons
10
15
5
19
5
(i)
294
5
kg
(ii)
57
kg
(iii)
284
5
kg
(iv)
289
5
kg
(v)
286
5
kg
Question
3
3.
The daily wages of
115
workers in a factory are given below.
Find the
median wage.
Wage (in rupees)
20 - 25
26 - 31
32 - 37
38 - 43
44 - 49
50 - 55
56 - 61
No. of workers
12
24
15
14
10
30
10
(i)
₹
40.57
(ii)
₹
40.43
(iii)
₹
41.29
(iv)
₹
40.29
(v)
₹
42.29
Question
4
4.
The daily wages of
96
workers in a factory are given below.
Find the
median wage.
Wage (in rupees)
30 - 39
39 - 48
48 - 57
57 - 66
66 - 75
No. of workers
11
27
25
24
9
(i)
₹
53.60
(ii)
₹
52.60
(iii)
₹
51.60
(iv)
₹
52.00
(v)
₹
51.80
Question
5
5.
A frequency distribution table is given below.
Find the
median .
Class-Interval
6 - 16
17 - 27
28 - 38
39 - 49
50 - 60
Frequency
41
36
36
27
16
(i)
1003
36
(ii)
1073
36
(iii)
1037
36
(iv)
167
6
(v)
1001
36
Question
6
6.
A frequency distribution table is given below.
Find the
median .
Class-Interval
12 - 19
19 - 26
26 - 33
33 - 40
40 - 47
Frequency
12
21
4
44
9
(i)
378
11
(ii)
399
11
(iii)
377
11
(iv)
388
11
(v)
379
11
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)
71 - 81
81 - 91
91 - 101
101 - 111
111 - 121
121 - 131
No. of consumers
11
5
24
18
9
21
(i)
938
9
units
(ii)
310
3
units
(iii)
947
9
units
(iv)
929
9
units
(v)
931
9
units
Assignment Key
1) (i)
2) (iii)
3) (iv)
4) (iii)
5) (v)
6) (iii)
7) (iv)
