EduSahara™ Assignment
Name : Median
Chapter : Data Handling
Grade : SSC Grade VII
License : Non Commercial Use
Question
1
1.
The scores obtained by 6 students in a test are given below. Find the median.
8
13
2
11
9
5
(i)
8
1
2
(ii)
2
(iii)
11
(iv)
13
(v)
8
Question
2
2.
Find the median of all prime numbers between 10 and 100.
(i)
49
(ii)
45
(iii)
48
(iv)
46
(v)
47
Question
3
3.
Find the median of all the factors of 30.
(i)
9
2
(ii)
21
4
(iii)
11
2
(iv)
13
2
(v)
6
Question
4
4.
Find the median of first 10 whole numbers.
(i)
11
2
(ii)
5
(iii)
7
2
(iv)
17
4
(v)
9
2
Question
5
5.
Find the median of all the factors of 30.
(i)
11
2
(ii)
6
(iii)
9
2
(iv)
21
4
(v)
13
2
Question
6
6.
Find the median of the first 15 even numbers.
(i)
16
(ii)
18
(iii)
15
(iv)
17
(v)
14
Question
7
7.
The marks obtained by 15 students in a test are given below. Find their median marks.
31
37
18
19
41
50
34
3
9
40
24
49
39
35
22
(i)
36
(ii)
33
(iii)
34
(iv)
35
(v)
31
Question
8
8.
Heights of 12 students (in cm) are given below. Find the median height.
147
153
152
155
150
157
140
136
172
168
165
163
(i)
156
cm
(ii)
155
cm
(iii)
152
cm
(iv)
154
cm
(v)
153
cm
Question
9
9.
Heights of 10 plants (in cm) are given below. Find the median height.
78
100
97
79
60
50
95
68
73
52
(i)
155
2
cm
(ii)
153
2
cm
(iii)
151
2
cm
(iv)
76
cm
Question
10
10.
Ages of 15 students (in years) are given below. Find the median age.
11
14
11
15
12
14
12
14
11
12
15
10
11
15
13
(i)
12
years
(ii)
11
years
(iii)
14
years
(iv)
13
years
(v)
10
years
Question
11
11.
Rainfall of 10 days (in mm) are given below. Find the median rainfall.
14
6
14
15
10
5
12
14
7
11
(i)
23
2
mm
(ii)
25
2
mm
(iii)
12
mm
(iv)
27
2
mm
Question
12
12.
Scores of 11 students are given below. Find the median score.
89
78
80
82
78
90
90
80
83
77
88
(i)
83
(ii)
84
(iii)
80
(iv)
81
(v)
82
Question
13
13.
Temperatures of 15 days (in °C) are given below. Find the median temperature.
26
30
34
30
27
35
26
27
29
32
33
34
33
30
35
(i)
32
°C
(ii)
30
°C
(iii)
28
°C
(iv)
31
°C
(v)
29
°C
Question
14
14.
Weights of 13 students (in kg) are given below. Find the median weight.
59
59
47
49
59
59
56
43
47
54
43
53
44
(i)
53
kg
(ii)
54
kg
(iii)
55
kg
(iv)
52
kg
(v)
51
kg
Question
15
15.
Daily wages of 10 labourers (in ₹) are given below. Find the median wage.
404
420
489
337
497
337
329
328
342
409
(i)
₹
374.00
(ii)
₹
372.00
(iii)
₹
375.00
(iv)
₹
373.00
(v)
₹
371.00
Question
16
16.
Find the median of the first 10 odd numbers.
(i)
7
(ii)
11
(iii)
13
(iv)
9
(v)
10
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
30
,
find the observations of the data
(i)
40
,
30
,
80
(ii)
24
,
30
,
44
(iii)
20
,
30
,
40
(iv)
21
,
30
,
42
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
18
and
12
respectively and
x
3
-
x
1
=
30
,
find
x
1
,
x
2
,
x
3
(i)
12
,
12
,
72
(ii)
10
,
12
,
40
(iii)
6
,
12
,
36
(iv)
8
,
12
,
38
Question
19
19.
Given an even number of random samples with the middle two samples as
x +
21
and x +
28
and the median as
33
1
2
,
find the value of x.
(i)
10
(ii)
8
(iii)
6
(iv)
9
(v)
12
Assignment Key
1) (i)
2) (v)
3) (iii)
4) (v)
5) (i)
6) (i)
7) (iii)
8) (iv)
9) (iii)
10) (i)
11) (i)
12) (v)
13) (ii)
14) (i)
15) (iv)
16) (v)
17) (iii)
18) (iii)
19) (iv)
