EduSahara™ Assignment
Name : Median
Chapter : Data Handling
Grade : SSC Grade VII
License : Non Commercial Use
Question
1
1.
The scores obtained by 14 students in a test are given below. Find the median.
8
4
2
4
5
20
7
14
13
19
3
2
17
17
(i)
9
9
14
(ii)
18
(iii)
2
(iv)
20
(v)
7
1
2
Question
2
2.
Find the median of all prime numbers between 50 and 90.
(i)
71
(ii)
72
(iii)
70
(iv)
73
(v)
69
Question
3
3.
Find the median of all the factors of 40.
(i)
15
2
(ii)
13
2
(iii)
11
2
(iv)
25
4
(v)
7
Question
4
4.
Find the median of first 7 whole numbers.
(i)
2
(ii)
4
(iii)
0
(iv)
3
(v)
6
Question
5
5.
Find the median of all the factors of 30.
(i)
13
2
(ii)
11
2
(iii)
6
(iv)
9
2
(v)
21
4
Question
6
6.
Find the median of the first 20 even numbers.
(i)
21
(ii)
24
(iii)
22
(iv)
19
(v)
20
Question
7
7.
The marks obtained by 12 students in a test are given below. Find their median marks.
2
14
11
46
3
10
4
34
42
14
32
21
(i)
11
(ii)
13
(iii)
16
(iv)
14
(v)
15
Question
8
8.
Heights of 14 students (in cm) are given below. Find the median height.
167
155
143
175
169
157
151
173
149
133
161
173
138
127
(i)
157
cm
(ii)
156
cm
(iii)
154
cm
(iv)
158
cm
(v)
155
cm
Question
9
9.
Heights of 14 plants (in cm) are given below. Find the median height.
98
82
86
64
59
98
60
94
82
86
91
97
74
98
(i)
87
cm
(ii)
85
cm
(iii)
84
cm
(iv)
88
cm
(v)
86
cm
Question
10
10.
Ages of 15 students (in years) are given below. Find the median age.
13
14
12
10
13
11
12
13
14
15
12
13
13
13
15
(i)
11
years
(ii)
15
years
(iii)
12
years
(iv)
13
years
(v)
14
years
Question
11
11.
Rainfall of 10 days (in mm) are given below. Find the median rainfall.
6
13
10
13
6
8
9
7
5
10
(i)
17
2
mm
(ii)
19
2
mm
(iii)
21
2
mm
(iv)
9
mm
Question
12
12.
Scores of 13 students are given below. Find the median score.
90
77
71
72
76
75
81
82
88
89
83
79
89
(i)
80
(ii)
81
(iii)
79
(iv)
83
(v)
82
Question
13
13.
Temperatures of 10 days (in °C) are given below. Find the median temperature.
31
32
32
30
27
28
29
28
29
35
(i)
30
°C
(ii)
61
2
°C
(iii)
63
2
°C
(iv)
59
2
°C
Question
14
14.
Weights of 11 students (in kg) are given below. Find the median weight.
50
47
59
45
55
57
54
60
50
54
45
(i)
53
kg
(ii)
52
kg
(iii)
56
kg
(iv)
54
kg
(v)
55
kg
Question
15
15.
Daily wages of 15 labourers (in ₹) are given below. Find the median wage.
303
428
370
377
466
336
362
459
492
300
332
444
410
370
340
(i)
₹
372.00
(ii)
₹
370.00
(iii)
₹
368.00
(iv)
₹
371.00
(v)
₹
369.00
Question
16
16.
Find the median of the first 15 odd numbers.
(i)
12
(ii)
17
(iii)
14
(iv)
16
(v)
15
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
27
,
find the observations of the data
(i)
18
,
27
,
36
(ii)
22
,
27
,
40
(iii)
19
,
27
,
38
(iv)
36
,
27
,
72
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
48
and
32
respectively and
x
3
-
x
1
=
80
,
find
x
1
,
x
2
,
x
3
(i)
18
,
32
,
98
(ii)
16
,
32
,
96
(iii)
20
,
32
,
100
(iv)
32
,
32
,
192
Question
19
19.
Given an even number of random samples with the middle two samples as
x +
23
and x +
26
and the median as
33
1
2
,
find the value of x.
(i)
11
(ii)
7
(iii)
8
(iv)
10
(v)
9
Assignment Key
1) (v)
2) (i)
3) (ii)
4) (iv)
5) (ii)
6) (i)
7) (iv)
8) (ii)
9) (v)
10) (iv)
11) (i)
12) (ii)
13) (iv)
14) (iv)
15) (ii)
16) (v)
17) (i)
18) (ii)
19) (v)
