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)
126
129
140
144
150
159
161
167
170
171
No. of students
1
1
2
3
4
4
6
3
4
3
(i)
162
cm
(ii)
160
cm
(iii)
163
cm
(iv)
161
cm
(v)
159
cm
Question
2
2.
Heights of 31 plants are given below. Find the mode.
Height (in cm)
51
57
60
66
69
71
74
89
91
95
No. of plants
6
3
2
2
4
3
2
2
3
4
(i)
53
cm
(ii)
52
cm
(iii)
49
cm
(iv)
51
cm
(v)
50
cm
Question
3
3.
Ages of 21 students are given below. Find the mode.
Age (in years)
10
11
12
13
14
15
No. of students
2
8
1
1
5
4
(i)
11
years
(ii)
10
years
(iii)
13
years
(iv)
12
years
(v)
9
years
Question
4
4.
Scores of 31 students are given below. Find the mode.
Score
70
73
78
79
80
83
84
85
89
90
No. of students
1
1
2
1
9
2
6
5
1
3
(i)
80
(ii)
79
(iii)
78
(iv)
81
(v)
82
Question
5
5.
Rainfall of 11 days are given below. Find the mode.
Rainfall (in mm)
5
9
10
12
13
14
No. of days
1
4
1
3
1
1
(i)
9
mm
(ii)
8
mm
(iii)
10
mm
(iv)
7
mm
(v)
11
mm
Question
6
6.
Temperatures of 21 days are given below. Find the mode.
Temperature (in degree C)
25
26
29
30
32
33
35
No. of days
1
4
2
4
1
3
6
(i)
35
°C
(ii)
33
°C
(iii)
37
°C
(iv)
34
°C
(v)
36
°C
Question
7
7.
Weights of 11 students are given below. Find the mode.
Weight (in kg)
42
45
48
49
53
56
58
No. of students
3
2
1
1
1
1
2
(i)
41
kg
(ii)
40
kg
(iii)
42
kg
(iv)
43
kg
(v)
44
kg
Question
8
8.
Wages of 11 labourers are given below. Find the mode.
Wage (in rupees)
309
311
323
458
464
No. of labourers
1
2
4
3
1
(i)
₹
325.00
(ii)
₹
323.00
(iii)
₹
324.00
(iv)
₹
322.00
(v)
₹
321.00
Assignment Key
1) (iv)
2) (iv)
3) (i)
4) (i)
5) (i)
6) (i)
7) (iii)
8) (ii)
