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
139
143
151
153
154
160
161
165
No. of students
3
1
4
7
5
5
1
2
2
(i)
154
cm
(ii)
152
cm
(iii)
151
cm
(iv)
150
cm
(v)
153
cm
Question
2
2.
Heights of 10 plants are given below. Find the median.
Height (in cm)
55
60
65
66
68
87
No. of plants
1
2
3
2
1
1
(i)
63
cm
(ii)
65
cm
(iii)
67
cm
(iv)
64
cm
(v)
66
cm
Question
3
3.
Ages of 20 students are given below. Find the median.
Age (in years)
10
11
12
13
14
15
No. of students
2
1
5
4
4
4
(i)
15
years
(ii)
12
years
(iii)
11
years
(iv)
14
years
(v)
13
years
Question
4
4.
Scores of 25 students are given below. Find the median.
Score
70
71
73
75
78
84
85
No. of students
4
1
2
4
4
2
8
(i)
80
(ii)
77
(iii)
78
(iv)
76
(v)
79
Question
5
5.
Rainfall of 30 days are given below. Find the median.
Rainfall (in mm)
5
6
7
8
9
10
11
13
14
15
No. of days
4
3
5
2
1
1
4
4
1
5
(i)
10
mm
(ii)
23
2
mm
(iii)
19
2
mm
(iv)
21
2
mm
Question
6
6.
Temperatures of 20 days are given below. Find the median.
Temperature (in degree C)
25
26
27
28
29
30
33
No. of days
3
1
3
2
3
7
1
(i)
27
°C
(ii)
30
°C
(iii)
31
°C
(iv)
28
°C
(v)
29
°C
Question
7
7.
Weights of 25 students are given below. Find the median.
Weight (in kg)
45
47
49
50
52
54
55
56
No. of students
4
4
1
2
7
1
3
3
(i)
54
kg
(ii)
51
kg
(iii)
50
kg
(iv)
52
kg
(v)
53
kg
Question
8
8.
Wages of 10 labourers are given below. Find the median.
Wage (in rupees)
315
341
427
432
437
463
467
No. of labourers
1
2
1
2
1
1
2
(i)
₹
432.00
(ii)
₹
434.00
(iii)
₹
430.00
(iv)
₹
431.00
(v)
₹
433.00
Assignment Key
1) (ii)
2) (ii)
3) (v)
4) (iii)
5) (iii)
6) (v)
7) (iv)
8) (i)
