EduSahara™ Assignment
Name : Median of Frequency Distribution
Chapter : Statistics
Grade : CBSE Grade IX
License : Non Commercial Use
Question
1
1.
Heights of 30 students are given below. Find the median.
Height (in cm)
134
138
139
141
142
143
153
154
158
166
No. of students
2
3
3
1
1
5
4
5
1
5
(i)
147
cm
(ii)
146
cm
(iii)
148
cm
(iv)
150
cm
(v)
149
cm
Question
2
2.
Heights of 15 plants are given below. Find the median.
Height (in cm)
61
64
72
76
78
82
85
87
No. of plants
1
2
3
3
2
2
1
1
(i)
75
cm
(ii)
78
cm
(iii)
77
cm
(iv)
76
cm
(v)
74
cm
Question
3
3.
Ages of 25 students are given below. Find the median.
Age (in years)
10
11
12
13
14
15
No. of students
6
5
3
3
6
2
(i)
13
years
(ii)
12
years
(iii)
14
years
(iv)
10
years
(v)
11
years
Question
4
4.
Scores of 20 students are given below. Find the median.
Score
70
73
76
77
78
79
80
81
86
87
88
No. of students
1
1
2
1
2
2
1
2
3
1
4
(i)
165
2
(ii)
161
2
(iii)
81
(iv)
163
2
Question
5
5.
Rainfall of 30 days are given below. Find the median.
Rainfall (in mm)
5
6
7
8
9
10
11
12
13
15
No. of days
2
2
2
3
4
1
6
1
5
4
(i)
11
mm
(ii)
9
mm
(iii)
12
mm
(iv)
13
mm
(v)
10
mm
Question
6
6.
Temperatures of 15 days are given below. Find the median.
Temperature (in degree C)
25
26
27
28
30
31
32
33
No. of days
2
1
1
2
1
3
2
3
(i)
31
°C
(ii)
33
°C
(iii)
30
°C
(iv)
32
°C
(v)
29
°C
Question
7
7.
Weights of 15 students are given below. Find the median.
Weight (in kg)
40
43
45
46
47
49
51
53
58
No. of students
1
1
2
3
2
2
1
2
1
(i)
46
kg
(ii)
49
kg
(iii)
45
kg
(iv)
47
kg
(v)
48
kg
Question
8
8.
Wages of 15 labourers are given below. Find the median.
Wage (in rupees)
368
382
432
439
455
477
480
494
No. of labourers
1
1
1
5
2
1
2
2
(i)
₹
440.00
(ii)
₹
441.00
(iii)
₹
438.00
(iv)
₹
439.00
(v)
₹
437.00
Assignment Key
1) (iii)
2) (iv)
3) (ii)
4) (ii)
5) (i)
6) (i)
7) (iv)
8) (iv)
