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.
15
7
18
6
2
18
4
9
5
5
5
(i)
2
(ii)
5
(iii)
8
9
10
(iv)
6
1
2
(v)
18
Question
2
2.
The marks obtained by 14 students in a test are given below. Find their mode marks.
33
31
18
50
16
28
50
6
13
50
9
43
37
40
(i)
50
(ii)
51
(iii)
49
(iv)
52
(v)
47
Question
3
3.
Heights of 15 students (in cm) are given below. Find the mode height.
171
167
142
170
154
134
167
139
167
149
153
137
172
162
167
(i)
169
cm
(ii)
168
cm
(iii)
165
cm
(iv)
167
cm
(v)
166
cm
Question
4
4.
Heights of 12 plants (in cm) are given below. Find the mode height.
84
53
81
83
50
89
65
75
81
84
81
81
(i)
83
cm
(ii)
82
cm
(iii)
80
cm
(iv)
81
cm
(v)
79
cm
Question
5
5.
Ages of 16 students (in years) are given below. Find the mode age.
10
14
14
14
10
11
13
14
11
15
15
12
13
12
15
14
(i)
15
years
(ii)
13
years
(iii)
14
years
(iv)
12
years
(v)
16
years
Question
6
6.
Rainfall of 11 days (in mm) are given below. Find the mode rainfall.
13
9
5
13
6
9
9
11
7
6
9
(i)
11
mm
(ii)
10
mm
(iii)
8
mm
(iv)
7
mm
(v)
9
mm
Question
7
7.
Scores of 14 students are given below. Find the mode score.
84
77
90
81
75
88
76
73
80
77
86
70
84
77
(i)
75
(ii)
76
(iii)
78
(iv)
79
(v)
77
Question
8
8.
Temperatures of 11 days (in °C) are given below. Find the mode temperature.
27
28
27
30
32
27
34
29
35
28
27
(i)
28
°C
(ii)
26
°C
(iii)
27
°C
(iv)
29
°C
(v)
25
°C
Question
9
9.
Weights of 15 students (in kg) are given below. Find the mode weight.
60
45
52
55
46
52
55
52
57
60
58
55
52
52
52
(i)
51
kg
(ii)
53
kg
(iii)
50
kg
(iv)
54
kg
(v)
52
kg
Question
10
10.
Daily wages of 11 labourers (in ₹) are given below. Find the mode wage.
313
457
413
394
351
395
346
337
450
363
313
(i)
₹
314.00
(ii)
₹
312.00
(iii)
₹
313.00
(iv)
₹
311.00
(v)
₹
315.00
Question
11
11.
Find the Mode when Median is 87.2 and Mean is 45.5.
(i)
168.6
(ii)
169.6
(iii)
172.6
(iv)
170.6
(v)
171.6
Question
12
12.
Find the Mode when Median is 69 and Mean is 45.
(i)
117
(ii)
119
(iii)
116
(iv)
118
(v)
115
Question
13
13.
The mean and median of a uni-modal grouped data are 79.2 and 64.9 respectively. Find the mode of the data.
(i)
107.8
(ii)
105.8
(iii)
106.8
(iv)
109.8
(v)
108.8
Question
14
14.
The mean and median of a uni-modal grouped data are 43 and 25 respectively. Find the mode of the data.
(i)
78
(ii)
80
(iii)
77
(iv)
81
(v)
79
Question
15
15.
Emperical relation between Mean, Median and Mode is
(i)
Mode = 3Median + 2Mean
(ii)
Mode = 3Median - 3Mean
(iii)
Mode = 2Median - 3Mean
(iv)
Mode = 3Median - 2Mean
Assignment Key
1) (ii)
2) (i)
3) (iv)
4) (iv)
5) (iii)
6) (v)
7) (v)
8) (iii)
9) (v)
10) (iii)
11) (iv)
12) (i)
13) (i)
14) (v)
15) (iv)