EduSahara™ Assignment
Name : Mode of Grouped Data
Chapter : Statistics
Grade : CBSE Grade X
License : Non Commercial Use
Question
1
1.
Heights of 16 students are given below. Find the mode.
Height (in cm)
126
136
141
147
164
172
No. of students
6
3
1
3
2
1
(i)
126
cm
(ii)
124
cm
(iii)
127
cm
(iv)
125
cm
(v)
128
cm
Question
2
2.
Heights of 26 plants are given below. Find the mode.
Height (in cm)
61
70
73
78
79
81
82
94
No. of plants
4
2
6
2
1
4
4
3
(i)
71
cm
(ii)
72
cm
(iii)
75
cm
(iv)
74
cm
(v)
73
cm
Question
3
3.
Ages of 16 students are given below. Find the mode.
Age (in years)
10
11
12
13
14
15
No. of students
3
1
4
1
1
6
(i)
15
years
(ii)
13
years
(iii)
17
years
(iv)
14
years
(v)
16
years
Question
4
4.
Scores of 16 students are given below. Find the mode.
Score
72
82
84
86
87
88
No. of students
2
2
2
1
3
6
(i)
88
(ii)
86
(iii)
87
(iv)
90
(v)
89
Question
5
5.
Rainfall of 26 days are given below. Find the mode.
Rainfall (in mm)
6
7
8
12
13
15
No. of days
9
2
5
6
2
2
(i)
4
mm
(ii)
5
mm
(iii)
6
mm
(iv)
7
mm
(v)
8
mm
Question
6
6.
Temperatures of 11 days are given below. Find the mode.
Temperature (in degree C)
25
26
28
31
32
33
35
No. of days
1
3
1
1
1
2
2
(i)
26
°C
(ii)
27
°C
(iii)
28
°C
(iv)
24
°C
(v)
25
°C
Question
7
7.
Weights of 16 students are given below. Find the mode.
Weight (in kg)
40
42
43
44
46
47
57
59
No. of students
2
1
2
1
1
7
1
1
(i)
49
kg
(ii)
45
kg
(iii)
47
kg
(iv)
46
kg
(v)
48
kg
Question
8
8.
Wages of 16 labourers are given below. Find the mode.
Wage (in rupees)
376
423
429
437
472
485
No. of labourers
2
2
2
2
6
2
(i)
₹
470.00
(ii)
₹
472.00
(iii)
₹
474.00
(iv)
₹
473.00
(v)
₹
471.00
Question
9
9.
The following table shows the weights of
83
persons in a group.
Find the
mode weight.
Weight (in kg)
50 - 57
58 - 65
66 - 73
74 - 81
82 - 89
90 - 97
No. of persons
13
16
15
9
20
10
(i)
3683
42
kg
(ii)
600
7
kg
(iii)
3601
42
kg
(iv)
3599
42
kg
(v)
3641
42
kg
Question
10
10.
The following table shows the weights of
99
persons in a group.
Find the
mode weight.
Weight (in kg)
30 - 38
38 - 46
46 - 54
54 - 62
62 - 70
70 - 78
78 - 86
86 - 94
No. of persons
9
11
20
6
18
8
18
9
(i)
1130
23
kg
(ii)
1153
23
kg
(iii)
1132
23
kg
(iv)
1176
23
kg
(v)
1131
23
kg
Question
11
11.
The daily wages of
130
workers in a factory are given below.
Find the
mode wage.
Wage (in rupees)
30 - 40
41 - 51
52 - 62
63 - 73
74 - 84
85 - 95
96 - 106
No. of workers
17
30
11
12
28
24
8
(i)
₹
46.97
(ii)
₹
44.97
(iii)
₹
45.97
(iv)
₹
45.00
(v)
₹
45.03
Question
12
12.
The daily wages of
95
workers in a factory are given below.
Find the
mode wage.
Wage (in rupees)
20 - 28
28 - 36
36 - 44
44 - 52
52 - 60
60 - 68
No. of workers
20
9
30
12
17
7
(i)
₹
40.46
(ii)
₹
41.31
(iii)
₹
40.31
(iv)
₹
40.38
(v)
₹
42.31
Question
13
13.
A frequency distribution table is given below.
Find the
mode .
Class-Interval
14 - 19
20 - 25
26 - 31
32 - 37
38 - 43
44 - 49
50 - 55
56 - 61
Frequency
50
25
46
6
46
22
41
3
(i)
35
2
(ii)
39
2
(iii)
18
(iv)
37
2
Question
14
14.
A frequency distribution table is given below.
Find the
mode .
Class-Interval
5 - 15
15 - 25
25 - 35
35 - 45
45 - 55
55 - 65
Frequency
15
48
33
14
24
6
(i)
177
8
(ii)
183
8
(iii)
191
8
(iv)
175
8
(v)
22
Question
15
15.
The following frequency distribution table gives
the monthly consumption of electricity of
62
consumers in a locality.
Find the
mode units.
Monthly consumption (in units)
53 - 73
73 - 93
93 - 113
113 - 133
133 - 153
153 - 173
173 - 193
No. of consumers
10
11
7
6
17
6
5
(i)
143
units
(ii)
141
units
(iii)
144
units
(iv)
145
units
(v)
142
units
Assignment Key
1) (i)
2) (v)
3) (i)
4) (i)
5) (iii)
6) (i)
7) (iii)
8) (ii)
9) (iv)
10) (i)
11) (ii)
12) (iii)
13) (i)
14) (iv)
15) (i)
