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 14 students in a test are given below. Find the mode.
1
15
12
8
14
26
14
16
13
27
12
12
19
23
(i)
26
(ii)
1
(iii)
27
(iv)
12
(v)
14
Question
2
2.
The marks obtained by 14 students in a test are given below. Find their mode marks.
34
17
45
7
50
24
17
41
1
35
33
20
7
7
(i)
10
(ii)
8
(iii)
6
(iv)
4
(v)
7
Question
3
3.
Heights of 15 students (in cm) are given below. Find the mode height.
151
153
137
174
158
162
148
133
153
136
172
145
126
157
153
(i)
154
cm
(ii)
153
cm
(iii)
151
cm
(iv)
152
cm
(v)
155
cm
Question
4
4.
Heights of 12 plants (in cm) are given below. Find the mode height.
61
84
87
82
85
78
56
83
66
57
61
61
(i)
62
cm
(ii)
61
cm
(iii)
60
cm
(iv)
59
cm
(v)
63
cm
Question
5
5.
Ages of 14 students (in years) are given below. Find the mode age.
12
11
14
11
13
14
10
15
14
14
14
10
10
14
(i)
12
years
(ii)
15
years
(iii)
13
years
(iv)
14
years
(v)
16
years
Question
6
6.
Rainfall of 13 days (in mm) are given below. Find the mode rainfall.
11
7
12
11
11
14
8
11
6
14
11
8
11
(i)
13
mm
(ii)
11
mm
(iii)
10
mm
(iv)
12
mm
(v)
9
mm
Question
7
7.
Scores of 16 students are given below. Find the mode score.
74
72
75
84
72
83
70
75
74
74
71
71
73
87
81
74
(i)
75
(ii)
76
(iii)
74
(iv)
72
(v)
73
Question
8
8.
Temperatures of 11 days (in °C) are given below. Find the mode temperature.
31
30
30
28
29
25
30
25
25
31
25
(i)
25
°C
(ii)
27
°C
(iii)
23
°C
(iv)
24
°C
(v)
26
°C
Question
9
9.
Weights of 15 students (in kg) are given below. Find the mode weight.
52
43
44
41
42
46
45
51
55
58
47
49
45
46
45
(i)
43
kg
(ii)
47
kg
(iii)
44
kg
(iv)
45
kg
(v)
46
kg
Question
10
10.
Daily wages of 16 labourers (in ₹) are given below. Find the mode wage.
364
362
454
418
381
342
406
396
375
460
465
411
420
314
341
314
(i)
₹
313.00
(ii)
₹
315.00
(iii)
₹
312.00
(iv)
₹
314.00
(v)
₹
316.00
Question
11
11.
Find the Mode when Median is 74.5 and Mean is 37.4.
(i)
147.7
(ii)
150.7
(iii)
149.7
(iv)
146.7
(v)
148.7
Question
12
12.
Find the Mode when Median is 56 and Mean is 42.
(i)
84
(ii)
83
(iii)
85
(iv)
86
(v)
82
Question
13
13.
The mean and median of a uni-modal grouped data are 67.2 and 64.8 respectively. Find the mode of the data.
(i)
71
(ii)
70
(iii)
72
(iv)
73
(v)
74
Question
14
14.
The mean and median of a uni-modal grouped data are 46 and 43 respectively. Find the mode of the data.
(i)
52
(ii)
51
(iii)
54
(iv)
53
(v)
50
Question
15
15.
Emperical relation between Mean, Median and Mode is
(i)
Mode = 3Median - 2Mean
(ii)
Mode = 2Median - 3Mean
(iii)
Mode = 3Median + 2Mean
(iv)
Mode = 3Median - 3Mean
Assignment Key
1) (iv)
2) (v)
3) (ii)
4) (ii)
5) (iv)
6) (ii)
7) (iii)
8) (i)
9) (iv)
10) (iv)
11) (v)
12) (i)
13) (iii)
14) (i)
15) (i)
