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
16
6
3
17
18
(i)
12
(ii)
18
(iii)
15
(iv)
3
(v)
11
1
3
Question
2
2.
Find the median of all prime numbers between 50 and 70.
(i)
62
(ii)
61
(iii)
59
(iv)
57
(v)
60
Question
3
3.
Find the median of all the factors of 10.
(i)
5
2
(ii)
9
2
(iii)
4
(iv)
7
2
(v)
13
4
Question
4
4.
Find the median of first 9 whole numbers.
(i)
5
(ii)
2
(iii)
4
(iv)
3
(v)
6
Question
5
5.
Find the median of all the factors of 40.
(i)
13
2
(ii)
15
2
(iii)
7
(iv)
25
4
(v)
11
2
Question
6
6.
Find the median of the first 10 even numbers.
(i)
11
(ii)
9
(iii)
14
(iv)
10
(v)
12
Question
7
7.
The marks obtained by 10 students in a test are given below. Find their median marks.
41
4
39
18
23
35
42
27
1
39
(i)
32
(ii)
31
(iii)
28
(iv)
30
(v)
34
Question
8
8.
Heights of 10 students (in cm) are given below. Find the median height.
164
141
156
151
146
158
147
164
158
159
(i)
156
cm
(ii)
159
cm
(iii)
157
cm
(iv)
155
cm
(v)
158
cm
Question
9
9.
Heights of 15 plants (in cm) are given below. Find the median height.
75
54
90
94
51
56
95
64
78
64
96
55
88
60
89
(i)
77
cm
(ii)
76
cm
(iii)
74
cm
(iv)
73
cm
(v)
75
cm
Question
10
10.
Ages of 10 students (in years) are given below. Find the median age.
15
11
14
12
15
10
13
13
11
13
(i)
12
years
(ii)
14
years
(iii)
13
years
(iv)
11
years
(v)
15
years
Question
11
11.
Rainfall of 13 days (in mm) are given below. Find the median rainfall.
9
12
6
6
5
15
8
14
12
9
15
13
8
(i)
7
mm
(ii)
8
mm
(iii)
11
mm
(iv)
9
mm
(v)
10
mm
Question
12
12.
Scores of 15 students are given below. Find the median score.
82
72
75
84
81
86
73
88
89
79
90
78
89
76
78
(i)
83
(ii)
80
(iii)
81
(iv)
82
(v)
79
Question
13
13.
Temperatures of 14 days (in °C) are given below. Find the median temperature.
32
35
31
31
27
27
26
25
31
25
26
29
34
26
(i)
26
°C
(ii)
28
°C
(iii)
27
°C
(iv)
29
°C
(v)
30
°C
Question
14
14.
Weights of 13 students (in kg) are given below. Find the median weight.
58
47
59
46
43
46
58
41
49
48
54
59
57
(i)
50
kg
(ii)
47
kg
(iii)
48
kg
(iv)
49
kg
(v)
51
kg
Question
15
15.
Daily wages of 15 labourers (in ₹) are given below. Find the median wage.
424
310
314
351
384
390
455
308
401
352
332
437
316
445
423
(i)
₹
385.00
(ii)
₹
383.00
(iii)
₹
386.00
(iv)
₹
384.00
(v)
₹
382.00
Question
16
16.
Find the median of the first 10 odd numbers.
(i)
7
(ii)
12
(iii)
10
(iv)
11
(v)
9
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)
20
,
30
,
40
(ii)
24
,
30
,
44
(iii)
40
,
30
,
80
(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
42
and
28
respectively and
x
3
-
x
1
=
70
,
find
x
1
,
x
2
,
x
3
(i)
16
,
28
,
86
(ii)
14
,
28
,
84
(iii)
18
,
28
,
88
(iv)
28
,
28
,
168
Question
19
19.
Given an even number of random samples with the middle two samples as
x +
17
and x +
30
and the median as
28
1
2
,
find the value of x.
(i)
6
(ii)
4
(iii)
8
(iv)
5
(v)
2
Assignment Key
1) (i)
2) (v)
3) (iv)
4) (iii)
5) (i)
6) (i)
7) (ii)
8) (iii)
9) (v)
10) (iii)
11) (iv)
12) (iii)
13) (ii)
14) (iv)
15) (iv)
16) (iii)
17) (i)
18) (ii)
19) (iv)
