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)
127
128
131
133
137
144
147
155
156
167
170
No. of students
1
7
2
2
3
4
1
4
2
3
1
(i)
283
2
cm
(ii)
281
2
cm
(iii)
141
cm
(iv)
285
2
cm
Question
2
2.
Heights of 10 plants are given below. Find the median.
Height (in cm)
51
56
57
61
83
96
98
No. of plants
1
2
1
1
1
3
1
(i)
73
cm
(ii)
72
cm
(iii)
71
cm
(iv)
74
cm
(v)
70
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
3
2
6
6
2
6
(i)
13
years
(ii)
14
years
(iii)
11
years
(iv)
15
years
(v)
12
years
Question
4
4.
Scores of 25 students are given below. Find the median.
Score
70
75
77
79
80
85
87
88
No. of students
4
1
1
3
6
1
3
6
(i)
82
(ii)
78
(iii)
79
(iv)
81
(v)
80
Question
5
5.
Rainfall of 20 days are given below. Find the median.
Rainfall (in mm)
6
7
8
9
12
14
15
No. of days
3
1
4
5
3
3
1
(i)
9
mm
(ii)
11
mm
(iii)
10
mm
(iv)
7
mm
(v)
8
mm
Question
6
6.
Temperatures of 20 days are given below. Find the median.
Temperature (in degree C)
25
26
27
29
30
32
33
34
35
No. of days
1
1
1
2
4
3
3
2
3
(i)
32
°C
(ii)
33
°C
(iii)
31
°C
(iv)
30
°C
(v)
34
°C
Question
7
7.
Weights of 10 students are given below. Find the median.
Weight (in kg)
44
45
49
51
No. of students
3
2
3
2
(i)
47
kg
(ii)
45
kg
(iii)
49
kg
(iv)
46
kg
(v)
48
kg
Question
8
8.
Wages of 15 labourers are given below. Find the median.
Wage (in rupees)
325
347
365
403
441
446
466
469
493
No. of labourers
2
2
1
1
1
2
1
1
4
(i)
₹
445.00
(ii)
₹
444.00
(iii)
₹
448.00
(iv)
₹
446.00
(v)
₹
447.00
Assignment Key
1) (ii)
2) (ii)
3) (i)
4) (v)
5) (i)
6) (i)
7) (i)
8) (iv)
