EduSahara™ Assignment
Name : Median of Raw Data
Chapter : Statistics
Grade : SSC Grade IX
License : Non Commercial Use
Question
1
1.
The scores obtained by 14 students in a test are given below. Find the median.
7
10
14
9
3
5
16
9
2
15
5
3
13
20
(i)
3
(ii)
20
(iii)
9
5
14
(iv)
9
(v)
2
Question
2
2.
The marks obtained by 10 students in a test are given below. Find their median marks.
11
23
36
33
50
4
2
21
3
21
(i)
24
(ii)
20
(iii)
22
(iv)
19
(v)
21
Question
3
3.
Heights of 14 students (in cm) are given below. Find the median height.
156
134
143
158
169
141
151
154
147
169
143
173
135
175
(i)
153
cm
(ii)
309
2
cm
(iii)
307
2
cm
(iv)
305
2
cm
Question
4
4.
Heights of 10 plants (in cm) are given below. Find the median height.
56
59
52
51
79
80
69
76
56
50
(i)
58
cm
(ii)
117
2
cm
(iii)
115
2
cm
(iv)
119
2
cm
Question
5
5.
Ages of 11 students (in years) are given below. Find the median age.
13
11
14
13
15
14
12
11
15
13
14
(i)
13
years
(ii)
12
years
(iii)
11
years
(iv)
15
years
(v)
14
years
Question
6
6.
Rainfall of 11 days (in mm) are given below. Find the median rainfall.
11
10
10
13
8
13
7
5
8
9
13
(i)
8
mm
(ii)
11
mm
(iii)
10
mm
(iv)
12
mm
(v)
9
mm
Question
7
7.
Scores of 14 students are given below. Find the median score.
77
87
89
76
86
90
73
82
76
90
75
85
76
88
(i)
169
2
(ii)
171
2
(iii)
84
(iv)
167
2
Question
8
8.
Temperatures of 13 days (in °C) are given below. Find the median temperature.
32
32
35
28
25
27
32
31
32
29
27
33
28
(i)
30
°C
(ii)
32
°C
(iii)
29
°C
(iv)
33
°C
(v)
31
°C
Question
9
9.
Weights of 13 students (in kg) are given below. Find the median weight.
46
48
49
59
60
52
49
40
54
50
45
43
42
(i)
50
kg
(ii)
49
kg
(iii)
51
kg
(iv)
48
kg
(v)
47
kg
Question
10
10.
Daily wages of 14 labourers (in ₹) are given below. Find the median wage.
477
345
355
466
465
445
348
489
371
343
439
413
448
362
(i)
₹
427.00
(ii)
₹
428.00
(iii)
₹
424.00
(iv)
₹
426.00
(v)
₹
425.00
Question
11
11.
Find the median of all prime numbers between 40 and 60.
(i)
44
(ii)
48
(iii)
46
(iv)
50
(v)
47
Question
12
12.
Find the median of all the factors of 30.
(i)
11
2
(ii)
21
4
(iii)
6
(iv)
9
2
(v)
13
2
Question
13
13.
Find the median of first 10 whole numbers.
(i)
7
2
(ii)
11
2
(iii)
5
(iv)
17
4
(v)
9
2
Question
14
14.
Find the median of all the factors of 10.
(i)
5
2
(ii)
9
2
(iii)
7
2
(iv)
13
4
(v)
4
Question
15
15.
Find the median of the first 10 odd numbers.
(i)
10
(ii)
7
(iii)
13
(iv)
11
(v)
9
Question
16
16.
Find the median of the first 10 even numbers.
(i)
14
(ii)
8
(iii)
10
(iv)
11
(v)
12
Question
17
17.
Given an even number of random samples with the middle two samples as
x +
25
and x +
31
and the median as
30
,
find the value of x.
(i)
0
(ii)
2
(iii)
5
(iv)
1
(v)
3
Question
18
18.
Given an even number of random samples with the middle two samples as
x +
19
and x +
20
and the median as
28
1
2
,
find the value of x.
(i)
12
(ii)
7
(iii)
8
(iv)
9
(v)
10
Question
19
19.
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
6
,
find the observations of the data
(i)
8
,
6
,
16
(ii)
4
,
6
,
8
(iii)
5
,
6
,
10
(iv)
8
,
6
,
12
Question
20
20.
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
60
and
40
respectively and
x
3
-
x
1
=
100
,
find
x
1
,
x
2
,
x
3
(i)
22
,
40
,
122
(ii)
24
,
40
,
124
(iii)
40
,
40
,
240
(iv)
20
,
40
,
120
Assignment Key
1) (iv)
2) (v)
3) (iv)
4) (iii)
5) (i)
6) (iii)
7) (iv)
8) (v)
9) (ii)
10) (iv)
11) (v)
12) (i)
13) (v)
14) (iii)
15) (i)
16) (iv)
17) (ii)
18) (iv)
19) (ii)
20) (iv)
