EduSahara™ Assignment
Name : Median
Chapter : Data Handling
Grade : SSC Grade VII
License : Non Commercial Use
Question
1
1.
The scores obtained by 12 students in a test are given below. Find the median.
20
4
15
20
8
15
9
1
5
14
4
8
(i)
19
(ii)
1
(iii)
4
(iv)
8
1
2
(v)
10
1
4
Question
2
2.
Find the median of all prime numbers between 30 and 100.
(i)
60
(ii)
61
(iii)
58
(iv)
63
(v)
62
Question
3
3.
Find the median of all the factors of 20.
(i)
7
2
(ii)
11
2
(iii)
17
4
(iv)
9
2
(v)
5
Question
4
4.
Find the median of first 5 whole numbers.
(i)
1
(ii)
4
(iii)
0
(iv)
3
(v)
2
Question
5
5.
Find the median of all the factors of 40.
(i)
11
2
(ii)
15
2
(iii)
25
4
(iv)
13
2
(v)
7
Question
6
6.
Find the median of the first 15 even numbers.
(i)
15
(ii)
16
(iii)
19
(iv)
17
(v)
13
Question
7
7.
The marks obtained by 12 students in a test are given below. Find their median marks.
32
14
42
22
36
27
24
5
19
29
34
49
(i)
31
(ii)
26
(iii)
27
(iv)
28
(v)
29
Question
8
8.
Heights of 14 students (in cm) are given below. Find the median height.
157
174
139
130
168
166
165
150
130
157
135
132
152
149
(i)
149
cm
(ii)
150
cm
(iii)
153
cm
(iv)
152
cm
(v)
151
cm
Question
9
9.
Heights of 12 plants (in cm) are given below. Find the median height.
77
59
92
50
69
51
55
100
77
88
86
94
(i)
76
cm
(ii)
78
cm
(iii)
77
cm
(iv)
75
cm
(v)
79
cm
Question
10
10.
Ages of 13 students (in years) are given below. Find the median age.
10
14
13
11
13
11
10
14
14
15
11
14
12
(i)
11
years
(ii)
15
years
(iii)
12
years
(iv)
14
years
(v)
13
years
Question
11
11.
Rainfall of 15 days (in mm) are given below. Find the median rainfall.
9
9
5
8
14
14
6
10
15
8
7
15
6
7
11
(i)
11
mm
(ii)
10
mm
(iii)
7
mm
(iv)
9
mm
(v)
8
mm
Question
12
12.
Scores of 15 students are given below. Find the median score.
75
81
76
89
80
72
82
80
85
79
81
70
70
73
78
(i)
80
(ii)
78
(iii)
81
(iv)
77
(v)
79
Question
13
13.
Temperatures of 10 days (in °C) are given below. Find the median temperature.
26
35
28
31
35
32
31
27
31
32
(i)
29
°C
(ii)
32
°C
(iii)
33
°C
(iv)
31
°C
(v)
30
°C
Question
14
14.
Weights of 12 students (in kg) are given below. Find the median weight.
50
40
60
47
51
53
55
45
43
50
42
52
(i)
51
kg
(ii)
48
kg
(iii)
50
kg
(iv)
52
kg
(v)
49
kg
Question
15
15.
Daily wages of 10 labourers (in ₹) are given below. Find the median wage.
342
448
311
392
452
378
346
481
368
355
(i)
₹
372.00
(ii)
₹
375.00
(iii)
₹
371.00
(iv)
₹
374.00
(v)
₹
373.00
Question
16
16.
Find the median of the first 15 odd numbers.
(i)
15
(ii)
13
(iii)
18
(iv)
16
(v)
14
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
21
,
find the observations of the data
(i)
14
,
21
,
28
(ii)
28
,
21
,
56
(iii)
18
,
21
,
32
(iv)
15
,
21
,
30
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
54
and
36
respectively and
x
3
-
x
1
=
90
,
find
x
1
,
x
2
,
x
3
(i)
18
,
36
,
108
(ii)
22
,
36
,
112
(iii)
20
,
36
,
110
(iv)
36
,
36
,
216
Question
19
19.
Given an even number of random samples with the middle two samples as
x +
23
and x +
24
and the median as
33
1
2
,
find the value of x.
(i)
8
(ii)
10
(iii)
12
(iv)
11
(v)
9
Assignment Key
1) (iv)
2) (ii)
3) (iv)
4) (v)
5) (iv)
6) (ii)
7) (iv)
8) (v)
9) (iii)
10) (v)
11) (iv)
12) (v)
13) (iv)
14) (iii)
15) (v)
16) (i)
17) (i)
18) (i)
19) (ii)
