EduSahara™ Assignment
Name : Mode of Frequency Distribution
Chapter : Statistics
Grade : CBSE Grade IX
License : Non Commercial Use
Question
1
1.
Heights of 31 students are given below. Find the mode.
Height (in cm)
127
137
139
143
144
146
147
156
158
159
169
No. of students
5
4
2
3
4
2
1
2
2
2
4
(i)
125
cm
(ii)
127
cm
(iii)
128
cm
(iv)
129
cm
(v)
126
cm
Question
2
2.
Heights of 16 plants are given below. Find the mode.
Height (in cm)
51
53
56
60
77
93
100
No. of plants
2
1
1
2
5
4
1
(i)
76
cm
(ii)
75
cm
(iii)
78
cm
(iv)
79
cm
(v)
77
cm
Question
3
3.
Ages of 26 students are given below. Find the mode.
Age (in years)
10
11
12
13
14
15
No. of students
4
4
1
4
5
8
(i)
13
years
(ii)
17
years
(iii)
14
years
(iv)
15
years
(v)
16
years
Question
4
4.
Scores of 11 students are given below. Find the mode.
Score
71
75
77
80
82
85
87
No. of students
1
1
4
1
1
1
2
(i)
76
(ii)
79
(iii)
77
(iv)
75
(v)
78
Question
5
5.
Rainfall of 11 days are given below. Find the mode.
Rainfall (in mm)
6
9
11
12
14
No. of days
2
2
4
1
2
(i)
12
mm
(ii)
13
mm
(iii)
10
mm
(iv)
9
mm
(v)
11
mm
Question
6
6.
Temperatures of 16 days are given below. Find the mode.
Temperature (in degree C)
25
26
29
30
31
32
No. of days
3
2
1
6
2
2
(i)
29
°C
(ii)
31
°C
(iii)
30
°C
(iv)
28
°C
(v)
32
°C
Question
7
7.
Weights of 31 students are given below. Find the mode.
Weight (in kg)
41
43
44
46
47
48
50
52
53
55
58
No. of students
3
1
3
1
3
3
2
5
3
4
3
(i)
54
kg
(ii)
52
kg
(iii)
51
kg
(iv)
50
kg
(v)
53
kg
Question
8
8.
Wages of 26 labourers are given below. Find the mode.
Wage (in rupees)
333
343
359
376
378
403
409
428
448
463
473
484
No. of labourers
2
2
4
1
2
3
2
2
2
2
2
2
(i)
₹
361.00
(ii)
₹
357.00
(iii)
₹
358.00
(iv)
₹
360.00
(v)
₹
359.00
Assignment Key
1) (ii)
2) (v)
3) (iv)
4) (iii)
5) (v)
6) (iii)
7) (ii)
8) (v)
