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.
15
6
19
13
14
20
5
12
13
17
13
2
(i)
18
(ii)
12
5
12
(iii)
13
(iv)
20
(v)
2
Question
2
2.
Find the median of all prime numbers between 20 and 60.
(i)
42
(ii)
38
(iii)
41
(iv)
44
(v)
40
Question
3
3.
Find the median of all the factors of 20.
(i)
5
(ii)
11
2
(iii)
9
2
(iv)
17
4
(v)
7
2
Question
4
4.
Find the median of first 8 whole numbers.
(i)
9
2
(ii)
13
4
(iii)
5
2
(iv)
4
(v)
7
2
Question
5
5.
Find the median of all the factors of 30.
(i)
21
4
(ii)
6
(iii)
11
2
(iv)
13
2
(v)
9
2
Question
6
6.
Find the median of the first 15 even numbers.
(i)
18
(ii)
15
(iii)
13
(iv)
16
(v)
17
Question
7
7.
The marks obtained by 13 students in a test are given below. Find their median marks.
28
31
30
6
18
21
23
21
47
36
27
12
12
(i)
22
(ii)
25
(iii)
23
(iv)
24
(v)
20
Question
8
8.
Heights of 10 students (in cm) are given below. Find the median height.
143
139
154
155
172
164
135
173
173
132
(i)
309
2
cm
(ii)
311
2
cm
(iii)
155
cm
(iv)
313
2
cm
Question
9
9.
Heights of 14 plants (in cm) are given below. Find the median height.
97
76
89
74
86
93
84
65
66
79
73
63
81
78
(i)
79
cm
(ii)
161
2
cm
(iii)
159
2
cm
(iv)
157
2
cm
Question
10
10.
Ages of 14 students (in years) are given below. Find the median age.
10
15
14
10
10
15
14
11
10
12
14
12
12
10
(i)
12
years
(ii)
10
years
(iii)
11
years
(iv)
14
years
(v)
13
years
Question
11
11.
Rainfall of 15 days (in mm) are given below. Find the median rainfall.
15
13
12
6
8
10
6
11
14
10
6
8
6
12
6
(i)
12
mm
(ii)
10
mm
(iii)
8
mm
(iv)
9
mm
(v)
11
mm
Question
12
12.
Scores of 10 students are given below. Find the median score.
84
90
78
85
77
76
70
83
79
74
(i)
157
2
(ii)
159
2
(iii)
161
2
(iv)
79
Question
13
13.
Temperatures of 11 days (in °C) are given below. Find the median temperature.
27
34
29
31
34
28
32
30
29
35
30
(i)
30
°C
(ii)
32
°C
(iii)
29
°C
(iv)
28
°C
(v)
31
°C
Question
14
14.
Weights of 14 students (in kg) are given below. Find the median weight.
45
46
43
40
42
56
59
49
56
54
49
48
60
60
(i)
47
kg
(ii)
50
kg
(iii)
51
kg
(iv)
48
kg
(v)
49
kg
Question
15
15.
Daily wages of 12 labourers (in ₹) are given below. Find the median wage.
347
416
409
313
415
382
444
495
396
339
364
438
(i)
₹
404.50
(ii)
₹
402.50
(iii)
₹
403.50
(iv)
₹
403.00
Question
16
16.
Find the median of the first 15 odd numbers.
(i)
15
(ii)
14
(iii)
12
(iv)
18
(v)
16
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
15
,
find the observations of the data
(i)
20
,
15
,
40
(ii)
11
,
15
,
22
(iii)
10
,
15
,
20
(iv)
14
,
15
,
24
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)
18
,
28
,
88
(iii)
14
,
28
,
84
(iv)
28
,
28
,
168
Question
19
19.
Given an even number of random samples with the middle two samples as
x +
9
and x +
14
and the median as
18
1
2
,
find the value of x.
(i)
8
(ii)
7
(iii)
9
(iv)
4
(v)
6
Assignment Key
1) (iii)
2) (iii)
3) (iii)
4) (v)
5) (iii)
6) (iv)
7) (iii)
8) (i)
9) (iv)
10) (i)
11) (ii)
12) (i)
13) (i)
14) (v)
15) (ii)
16) (i)
17) (iii)
18) (iii)
19) (ii)
