EduSahara™ Assignment
Name : Mode of Ungrouped Data
Chapter : Median, Quartiles and Mode
Grade : ICSE Grade X
License : Non Commercial Use
Question
1
1.
The scores obtained by 11 students in a test are given below. Find the mode.
19
4
6
5
19
19
7
20
18
11
1
(i)
11
(ii)
19
(iii)
1
(iv)
9
(v)
20
Question
2
2.
The marks obtained by 15 students in a test are given below. Find their mode marks.
4
28
47
46
7
18
23
21
2
9
26
5
31
22
2
(i)
3
(ii)
0
(iii)
1
(iv)
2
(v)
4
Question
3
3.
Heights of 15 students (in cm) are given below. Find the mode height.
137
170
160
152
157
143
131
165
173
139
139
147
165
126
139
(i)
140
cm
(ii)
141
cm
(iii)
137
cm
(iv)
139
cm
(v)
138
cm
Question
4
4.
Heights of 16 plants (in cm) are given below. Find the mode height.
67
60
97
80
56
70
85
95
70
94
78
91
95
87
54
70
(i)
68
cm
(ii)
69
cm
(iii)
72
cm
(iv)
71
cm
(v)
70
cm
Question
5
5.
Ages of 11 students (in years) are given below. Find the mode age.
11
11
12
11
14
12
15
15
15
14
11
(i)
10
years
(ii)
13
years
(iii)
11
years
(iv)
12
years
(v)
9
years
Question
6
6.
Rainfall of 14 days (in mm) are given below. Find the mode rainfall.
10
7
15
8
6
15
10
7
8
6
9
5
13
6
(i)
4
mm
(ii)
7
mm
(iii)
5
mm
(iv)
6
mm
(v)
8
mm
Question
7
7.
Scores of 13 students are given below. Find the mode score.
81
82
73
72
89
89
80
70
89
72
83
71
89
(i)
89
(ii)
91
(iii)
88
(iv)
87
(v)
90
Question
8
8.
Temperatures of 12 days (in °C) are given below. Find the mode temperature.
26
27
31
28
27
26
34
26
25
28
35
26
(i)
28
°C
(ii)
24
°C
(iii)
25
°C
(iv)
26
°C
(v)
27
°C
Question
9
9.
Weights of 12 students (in kg) are given below. Find the mode weight.
60
51
58
49
50
54
59
41
51
49
52
49
(i)
50
kg
(ii)
47
kg
(iii)
48
kg
(iv)
51
kg
(v)
49
kg
Question
10
10.
Daily wages of 13 labourers (in ₹) are given below. Find the mode wage.
489
300
326
309
393
486
451
483
469
407
430
398
300
(i)
₹
300.00
(ii)
₹
302.00
(iii)
₹
298.00
(iv)
₹
301.00
(v)
₹
299.00
Question
11
11.
Find the Mode when Median is 55.8 and Mean is 4.3.
(i)
157.8
(ii)
156.8
(iii)
160.8
(iv)
159.8
(v)
158.8
Question
12
12.
Find the Mode when Median is 70 and Mean is 44.
(i)
121
(ii)
124
(iii)
120
(iv)
122
(v)
123
Question
13
13.
The mean and median of a uni-modal grouped data are 48.2 and 39.1 respectively. Find the mode of the data.
(i)
67.4
(ii)
68.4
(iii)
64.4
(iv)
66.4
(v)
65.4
Question
14
14.
The mean and median of a uni-modal grouped data are 72 and 70 respectively. Find the mode of the data.
(i)
75
(ii)
74
(iii)
78
(iv)
76
(v)
77
Question
15
15.
Emperical relation between Mean, Median and Mode is
(i)
Mode = 3Median - 3Mean
(ii)
Mode = 3Median + 2Mean
(iii)
Mode = 2Median - 3Mean
(iv)
Mode = 3Median - 2Mean
Assignment Key
1) (ii)
2) (iv)
3) (iv)
4) (v)
5) (iii)
6) (iv)
7) (i)
8) (iv)
9) (v)
10) (i)
11) (v)
12) (iv)
13) (iv)
14) (iv)
15) (iv)
