EduSahara™ Assignment
Name : Median of Frequency Distribution
Chapter : Statistics
Grade : CBSE Grade IX
License : Non Commercial Use
Question
1
1.
Heights of 15 students are given below. Find the median.
Height (in cm)
125
127
129
142
145
159
161
No. of students
2
5
2
1
1
2
2
(i)
129
cm
(ii)
131
cm
(iii)
130
cm
(iv)
127
cm
(v)
128
cm
Question
2
2.
Heights of 15 plants are given below. Find the median.
Height (in cm)
51
55
59
63
65
90
No. of plants
1
3
4
1
3
3
(i)
61
cm
(ii)
60
cm
(iii)
59
cm
(iv)
58
cm
(v)
57
cm
Question
3
3.
Ages of 10 students are given below. Find the median.
Age (in years)
10
11
12
13
15
No. of students
2
3
1
3
1
(i)
23
2
years
(ii)
27
2
years
(iii)
25
2
years
(iv)
12
years
Question
4
4.
Scores of 30 students are given below. Find the median.
Score
70
71
74
75
77
81
85
86
87
No. of students
1
3
8
3
2
5
4
2
2
(i)
75
(ii)
77
(iii)
76
(iv)
78
(v)
74
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
14
15
No. of days
4
4
2
2
3
3
3
1
1
5
2
(i)
23
2
mm
(ii)
21
2
mm
(iii)
19
2
mm
(iv)
10
mm
Question
6
6.
Temperatures of 30 days are given below. Find the median.
Temperature (in degree C)
25
26
29
31
32
34
35
No. of days
7
4
1
3
6
5
4
(i)
32
°C
(ii)
63
2
°C
(iii)
67
2
°C
(iv)
65
2
°C
Question
7
7.
Weights of 25 students are given below. Find the median.
Weight (in kg)
41
42
43
44
47
48
55
57
59
No. of students
3
1
2
3
4
4
2
3
3
(i)
48
kg
(ii)
49
kg
(iii)
45
kg
(iv)
47
kg
(v)
46
kg
Question
8
8.
Wages of 25 labourers are given below. Find the median.
Wage (in rupees)
303
324
345
381
382
412
455
459
476
483
No. of labourers
1
4
2
1
5
2
3
1
3
3
(i)
₹
381.00
(ii)
₹
383.00
(iii)
₹
380.00
(iv)
₹
384.00
(v)
₹
382.00
Assignment Key
1) (i)
2) (iii)
3) (i)
4) (iii)
5) (iii)
6) (ii)
7) (iv)
8) (v)