EduSahara™ Assignment
Name : Median
Chapter : Data Handling
Grade : SSC Grade VII
License : Non Commercial Use
Question
1
1.
The scores obtained by 13 students in a test are given below. Find the median.
16
20
20
2
1
11
4
17
12
2
6
4
1
(i)
8
12
13
(ii)
1
(iii)
19
(iv)
6
(v)
20
Question
2
2.
Find the median of all prime numbers between 30 and 60.
(i)
41
(ii)
42
(iii)
45
(iv)
44
(v)
43
Question
3
3.
Find the median of all the factors of 30.
(i)
11
2
(ii)
6
(iii)
13
2
(iv)
21
4
(v)
9
2
Question
4
4.
Find the median of first 7 whole numbers.
(i)
5
(ii)
4
(iii)
2
(iv)
3
(v)
1
Question
5
5.
Find the median of all the factors of 20.
(i)
9
2
(ii)
11
2
(iii)
17
4
(iv)
5
(v)
7
2
Question
6
6.
Find the median of the first 10 even numbers.
(i)
10
(ii)
9
(iii)
14
(iv)
11
(v)
12
Question
7
7.
The marks obtained by 11 students in a test are given below. Find their median marks.
35
9
22
44
11
1
39
33
47
26
46
(i)
36
(ii)
34
(iii)
32
(iv)
33
(v)
30
Question
8
8.
Heights of 13 students (in cm) are given below. Find the median height.
125
143
163
171
132
163
163
152
144
161
157
133
141
(i)
154
cm
(ii)
150
cm
(iii)
153
cm
(iv)
152
cm
(v)
151
cm
Question
9
9.
Heights of 14 plants (in cm) are given below. Find the median height.
93
99
82
51
50
79
88
67
80
64
88
59
64
74
(i)
77
cm
(ii)
155
2
cm
(iii)
157
2
cm
(iv)
153
2
cm
Question
10
10.
Ages of 14 students (in years) are given below. Find the median age.
12
13
15
15
10
10
15
12
10
11
11
11
13
14
(i)
13
years
(ii)
10
years
(iii)
12
years
(iv)
14
years
(v)
11
years
Question
11
11.
Rainfall of 14 days (in mm) are given below. Find the median rainfall.
12
15
8
9
8
8
9
5
6
13
9
5
15
10
(i)
7
mm
(ii)
8
mm
(iii)
10
mm
(iv)
11
mm
(v)
9
mm
Question
12
12.
Scores of 12 students are given below. Find the median score.
80
78
86
89
73
90
72
84
81
90
77
70
(i)
161
2
(ii)
165
2
(iii)
81
(iv)
163
2
Question
13
13.
Temperatures of 15 days (in °C) are given below. Find the median temperature.
32
30
31
33
28
26
31
33
35
35
31
27
29
33
25
(i)
30
°C
(ii)
31
°C
(iii)
33
°C
(iv)
29
°C
(v)
32
°C
Question
14
14.
Weights of 14 students (in kg) are given below. Find the median weight.
48
60
57
53
53
49
47
42
43
52
50
41
55
45
(i)
101
2
kg
(ii)
103
2
kg
(iii)
99
2
kg
(iv)
50
kg
Question
15
15.
Daily wages of 13 labourers (in ₹) are given below. Find the median wage.
461
489
486
456
362
427
345
374
333
354
303
414
379
(i)
₹
377.00
(ii)
₹
378.00
(iii)
₹
380.00
(iv)
₹
379.00
(v)
₹
381.00
Question
16
16.
Find the median of the first 15 odd numbers.
(i)
16
(ii)
14
(iii)
15
(iv)
17
(v)
12
Question
17
17.
The observations of an ungrouped data are
x
1
,
x
2
,
2x
1
and
x
1
<
x
2
<
2x
1
.
If the mean and median of the data are equal to
6
,
find the observations of the data
(i)
8
,
6
,
16
(ii)
8
,
6
,
12
(iii)
4
,
6
,
8
(iv)
5
,
6
,
10
Question
18
18.
The observations of an ungrouped data are
x
1
,
x
2
,
x
3
and
x
1
<
x
2
<
x
3
.
If the mean and median of the data are
36
and
24
respectively and
x
3
-
x
1
=
60
,
find
x
1
,
x
2
,
x
3
(i)
12
,
24
,
72
(ii)
14
,
24
,
74
(iii)
24
,
24
,
144
(iv)
16
,
24
,
76
Question
19
19.
Given an even number of random samples with the middle two samples as
x +
18
and x +
28
and the median as
29
,
find the value of x.
(i)
4
(ii)
7
(iii)
9
(iv)
5
(v)
6
Assignment Key
1) (iv)
2) (v)
3) (i)
4) (iv)
5) (i)
6) (iv)
7) (iv)
8) (iv)
9) (iv)
10) (iii)
11) (v)
12) (i)
13) (ii)
14) (iii)
15) (iv)
16) (iii)
17) (iii)
18) (i)
19) (v)