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.
3
14
15
19
10
19
9
2
10
4
11
14
(i)
17
(ii)
10
1
2
(iii)
10
5
6
(iv)
10
(v)
2
Question
2
2.
Find the median of all prime numbers between 10 and 90.
(i)
46
(ii)
48
(iii)
43
(iv)
44
(v)
45
Question
3
3.
Find the median of all the factors of 40.
(i)
15
2
(ii)
25
4
(iii)
13
2
(iv)
7
(v)
11
2
Question
4
4.
Find the median of first 9 whole numbers.
(i)
7
(ii)
2
(iii)
5
(iv)
3
(v)
4
Question
5
5.
Find the median of all the factors of 10.
(i)
4
(ii)
5
2
(iii)
13
4
(iv)
9
2
(v)
7
2
Question
6
6.
Find the median of the first 15 even numbers.
(i)
15
(ii)
16
(iii)
18
(iv)
14
(v)
17
Question
7
7.
The marks obtained by 13 students in a test are given below. Find their median marks.
9
18
42
23
29
48
49
33
17
1
30
25
10
(i)
24
(ii)
23
(iii)
26
(iv)
25
(v)
27
Question
8
8.
Heights of 11 students (in cm) are given below. Find the median height.
139
126
143
172
140
166
152
140
166
133
150
(i)
141
cm
(ii)
145
cm
(iii)
143
cm
(iv)
142
cm
(v)
144
cm
Question
9
9.
Heights of 12 plants (in cm) are given below. Find the median height.
50
62
71
51
98
80
64
90
93
63
85
56
(i)
68
cm
(ii)
137
2
cm
(iii)
139
2
cm
(iv)
135
2
cm
Question
10
10.
Ages of 10 students (in years) are given below. Find the median age.
13
13
11
10
15
14
10
13
13
10
(i)
15
years
(ii)
12
years
(iii)
14
years
(iv)
11
years
(v)
13
years
Question
11
11.
Rainfall of 10 days (in mm) are given below. Find the median rainfall.
11
7
7
7
12
8
6
6
14
7
(i)
9
mm
(ii)
8
mm
(iii)
6
mm
(iv)
7
mm
(v)
5
mm
Question
12
12.
Scores of 12 students are given below. Find the median score.
74
84
72
84
84
80
90
73
80
75
71
77
(i)
157
2
(ii)
159
2
(iii)
79
(iv)
161
2
Question
13
13.
Temperatures of 11 days (in °C) are given below. Find the median temperature.
25
30
32
27
27
30
35
34
26
28
28
(i)
28
°C
(ii)
26
°C
(iii)
30
°C
(iv)
27
°C
(v)
29
°C
Question
14
14.
Weights of 13 students (in kg) are given below. Find the median weight.
43
59
59
57
51
50
58
60
58
51
59
50
41
(i)
56
kg
(ii)
59
kg
(iii)
55
kg
(iv)
57
kg
(v)
58
kg
Question
15
15.
Daily wages of 13 labourers (in ₹) are given below. Find the median wage.
414
406
458
302
465
355
334
445
421
444
391
311
424
(i)
₹
412.00
(ii)
₹
413.00
(iii)
₹
415.00
(iv)
₹
414.00
(v)
₹
416.00
Question
16
16.
Find the median of the first 10 odd numbers.
(i)
9
(ii)
13
(iii)
11
(iv)
10
(v)
7
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)
36
,
27
,
72
(iv)
19
,
27
,
38
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)
32
,
32
,
192
(ii)
16
,
32
,
96
(iii)
18
,
32
,
98
(iv)
20
,
32
,
100
Question
19
19.
Given an even number of random samples with the middle two samples as
x +
28
and x +
38
and the median as
36
,
find the value of x.
(i)
2
(ii)
4
(iii)
0
(iv)
6
(v)
3
Assignment Key
1) (ii)
2) (v)
3) (iii)
4) (v)
5) (v)
6) (ii)
7) (iv)
8) (iii)
9) (iv)
10) (v)
11) (iv)
12) (i)
13) (i)
14) (iv)
15) (iv)
16) (iv)
17) (i)
18) (ii)
19) (v)
