EduSahara™ Assignment
Name : Histogram
Chapter : Data Handling
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
Identify the class interval table for the given histogram.
(i)
Class-Interval
128 - 130
130 - 132
132 - 134
134 - 136
136 - 138
138 - 140
140 - 142
Frequency
38
94
81
101
84
82
71
(ii)
Class-Interval
128 - 130
130 - 132
132 - 134
134 - 136
136 - 138
138 - 140
140 - 142
Frequency
38
81
94
101
84
82
71
(iii)
Class-Interval
128 - 130
130 - 132
132 - 134
134 - 136
136 - 138
138 - 140
140 - 142
Frequency
38
81
94
99
84
82
71
(iv)
Class-Interval
128 - 130
130 - 132
132 - 134
134 - 136
136 - 138
138 - 140
140 - 142
Frequency
38
81
90
101
84
82
71
(v)
Class-Interval
128 - 130
130 - 132
132 - 134
134 - 136
136 - 138
138 - 140
140 - 142
Frequency
38
71
94
101
84
82
81
Question
2
2.
In a study of heart patients, the following observations are obtained. Identify the class interval table for the given histogram.
(i)
Age (in years)
54 - 58
58 - 62
62 - 66
66 - 70
70 - 74
No. of Patients
10
11
48
28
15
(ii)
Age (in years)
54 - 58
58 - 62
62 - 66
66 - 70
70 - 74
No. of Patients
10
48
11
28
15
(iii)
Age (in years)
54 - 58
58 - 62
62 - 66
66 - 70
70 - 74
No. of Patients
10
11
51
28
15
(iv)
Age (in years)
54 - 58
58 - 62
62 - 66
66 - 70
70 - 74
No. of Patients
10
15
48
28
11
(v)
Age (in years)
54 - 58
58 - 62
62 - 66
66 - 70
70 - 74
No. of Patients
10
14
48
28
15
Question
3
3.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
55 - 60
No. of students
8
22
16
13
16
14
6
(ii)
Weight (in kg)
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
55 - 60
No. of students
8
22
18
15
16
14
6
(iii)
Weight (in kg)
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
55 - 60
No. of students
8
22
16
15
16
14
6
(iv)
Weight (in kg)
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
55 - 60
No. of students
8
6
16
15
16
14
22
(v)
Weight (in kg)
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
55 - 60
No. of students
8
16
22
15
16
14
6
Question
4
4.
Identify the class interval table for the given histogram.
(i)
Class-Interval
147 - 152
152 - 157
157 - 162
162 - 167
167 - 172
172 - 177
177 - 182
Frequency
86
123
142
143
84
63
116
(ii)
Class-Interval
147 - 152
152 - 157
157 - 162
162 - 167
167 - 172
172 - 177
177 - 182
Frequency
86
116
142
138
84
63
123
(iii)
Class-Interval
147 - 152
152 - 157
157 - 162
162 - 167
167 - 172
172 - 177
177 - 182
Frequency
86
123
142
138
84
63
116
(iv)
Class-Interval
147 - 152
152 - 157
157 - 162
162 - 167
167 - 172
172 - 177
177 - 182
Frequency
86
123
146
138
84
63
116
(v)
Class-Interval
147 - 152
152 - 157
157 - 162
162 - 167
167 - 172
172 - 177
177 - 182
Frequency
86
142
123
138
84
63
116
Question
5
5.
In a study of heart patients, the following observations are obtained. Identify the class interval table for the given histogram.
(i)
Age (in years)
85 - 90
90 - 95
95 - 100
100 - 105
105 - 110
No. of Patients
12
30
44
29
16
(ii)
Age (in years)
85 - 90
90 - 95
95 - 100
100 - 105
105 - 110
No. of Patients
12
32
44
29
16
(iii)
Age (in years)
85 - 90
90 - 95
95 - 100
100 - 105
105 - 110
No. of Patients
12
44
32
29
16
(iv)
Age (in years)
85 - 90
90 - 95
95 - 100
100 - 105
105 - 110
No. of Patients
12
32
46
29
16
(v)
Age (in years)
85 - 90
90 - 95
95 - 100
100 - 105
105 - 110
No. of Patients
12
16
44
29
32
Question
6
6.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
17 - 19
19 - 21
21 - 23
23 - 25
25 - 27
No. of students
29
21
5
26
9
(ii)
Weight (in kg)
17 - 19
19 - 21
21 - 23
23 - 25
25 - 27
No. of students
29
2
21
26
9
(iii)
Weight (in kg)
17 - 19
19 - 21
21 - 23
23 - 25
25 - 27
No. of students
29
5
19
26
9
(iv)
Weight (in kg)
17 - 19
19 - 21
21 - 23
23 - 25
25 - 27
No. of students
29
5
21
26
9
(v)
Weight (in kg)
17 - 19
19 - 21
21 - 23
23 - 25
25 - 27
No. of students
29
9
21
26
5
Question
7
7.
A histogram consists of
(i)
squares
(ii)
rectangles
(iii)
sectors
(iv)
triangles
Question
8
8.
The width of the rectangles in a histogram represents
(i)
mid values of the class
(ii)
number of classes
(iii)
class interval
(iv)
frequency of the class
Question
9
9.
In a histogram
(i)
the lengths and widths of all rectangles are equal
(ii)
the width of all rectangles are equal
(iii)
the length and width of each rectangle are in proportion
(iv)
the lengths of all rectangles are equal
Assignment Key
1) (ii)
2) (i)
3) (iii)
4) (iii)
5) (ii)
6) (iv)
7) (ii)
8) (iii)
9) (ii)
