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
67 - 69
69 - 71
71 - 73
73 - 75
75 - 77
77 - 79
79 - 81
81 - 83
Frequency
26
60
81
141
52
101
68
144
(ii)
Class-Interval
67 - 69
69 - 71
71 - 73
73 - 75
75 - 77
77 - 79
79 - 81
81 - 83
Frequency
26
60
78
141
52
101
68
144
(iii)
Class-Interval
67 - 69
69 - 71
71 - 73
73 - 75
75 - 77
77 - 79
79 - 81
81 - 83
Frequency
26
144
78
141
52
101
68
60
(iv)
Class-Interval
67 - 69
69 - 71
71 - 73
73 - 75
75 - 77
77 - 79
79 - 81
81 - 83
Frequency
26
60
141
78
52
101
68
144
(v)
Class-Interval
67 - 69
69 - 71
71 - 73
73 - 75
75 - 77
77 - 79
79 - 81
81 - 83
Frequency
26
60
78
141
47
101
68
144
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)
72 - 75
75 - 78
78 - 81
81 - 84
84 - 87
87 - 90
No. of Patients
18
41
18
18
13
26
(ii)
Age (in years)
72 - 75
75 - 78
78 - 81
81 - 84
84 - 87
87 - 90
No. of Patients
18
41
16
14
13
26
(iii)
Age (in years)
72 - 75
75 - 78
78 - 81
81 - 84
84 - 87
87 - 90
No. of Patients
18
18
41
14
13
26
(iv)
Age (in years)
72 - 75
75 - 78
78 - 81
81 - 84
84 - 87
87 - 90
No. of Patients
18
26
18
14
13
41
(v)
Age (in years)
72 - 75
75 - 78
78 - 81
81 - 84
84 - 87
87 - 90
No. of Patients
18
41
18
14
13
26
Question
3
3.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
28 - 32
32 - 36
36 - 40
40 - 44
44 - 48
48 - 52
52 - 56
No. of students
14
15
14
24
19
5
30
(ii)
Weight (in kg)
28 - 32
32 - 36
36 - 40
40 - 44
44 - 48
48 - 52
52 - 56
No. of students
14
30
14
28
19
5
15
(iii)
Weight (in kg)
28 - 32
32 - 36
36 - 40
40 - 44
44 - 48
48 - 52
52 - 56
No. of students
14
14
30
24
19
5
15
(iv)
Weight (in kg)
28 - 32
32 - 36
36 - 40
40 - 44
44 - 48
48 - 52
52 - 56
No. of students
14
30
19
24
19
5
15
(v)
Weight (in kg)
28 - 32
32 - 36
36 - 40
40 - 44
44 - 48
48 - 52
52 - 56
No. of students
14
30
14
24
19
5
15
Question
4
4.
Identify the class interval table for the given histogram.
(i)
Class-Interval
71 - 73
73 - 75
75 - 77
77 - 79
79 - 81
81 - 83
83 - 85
85 - 87
Frequency
29
19
92
48
67
119
86
48
(ii)
Class-Interval
71 - 73
73 - 75
75 - 77
77 - 79
79 - 81
81 - 83
83 - 85
85 - 87
Frequency
29
19
48
92
67
119
86
48
(iii)
Class-Interval
71 - 73
73 - 75
75 - 77
77 - 79
79 - 81
81 - 83
83 - 85
85 - 87
Frequency
29
19
46
92
67
119
86
48
(iv)
Class-Interval
71 - 73
73 - 75
75 - 77
77 - 79
79 - 81
81 - 83
83 - 85
85 - 87
Frequency
29
19
48
92
63
119
86
48
(v)
Class-Interval
71 - 73
73 - 75
75 - 77
77 - 79
79 - 81
81 - 83
83 - 85
85 - 87
Frequency
29
48
48
92
67
119
86
19
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)
90 - 93
93 - 96
96 - 99
99 - 102
102 - 105
105 - 108
108 - 111
No. of Patients
48
32
37
28
16
40
24
(ii)
Age (in years)
90 - 93
93 - 96
96 - 99
99 - 102
102 - 105
105 - 108
108 - 111
No. of Patients
48
32
33
30
16
40
24
(iii)
Age (in years)
90 - 93
93 - 96
96 - 99
99 - 102
102 - 105
105 - 108
108 - 111
No. of Patients
48
24
37
30
16
40
32
(iv)
Age (in years)
90 - 93
93 - 96
96 - 99
99 - 102
102 - 105
105 - 108
108 - 111
No. of Patients
48
32
37
30
16
40
24
(v)
Age (in years)
90 - 93
93 - 96
96 - 99
99 - 102
102 - 105
105 - 108
108 - 111
No. of Patients
48
37
32
30
16
40
24
Question
6
6.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
49 - 52
52 - 55
55 - 58
58 - 61
61 - 64
No. of students
19
30
28
6
6
(ii)
Weight (in kg)
49 - 52
52 - 55
55 - 58
58 - 61
61 - 64
No. of students
19
6
28
6
30
(iii)
Weight (in kg)
49 - 52
52 - 55
55 - 58
58 - 61
61 - 64
No. of students
19
3
28
6
30
(iv)
Weight (in kg)
49 - 52
52 - 55
55 - 58
58 - 61
61 - 64
No. of students
19
6
32
6
30
(v)
Weight (in kg)
49 - 52
52 - 55
55 - 58
58 - 61
61 - 64
No. of students
19
28
6
6
30
Question
7
7.
A histogram consists of
(i)
squares
(ii)
rectangles
(iii)
triangles
(iv)
sectors
Question
8
8.
The width of the rectangles in a histogram represents
(i)
mid values of the class
(ii)
class interval
(iii)
frequency of the class
(iv)
number of classes
Question
9
9.
In a histogram
(i)
the lengths and widths of all rectangles are equal
(ii)
the length and width of each rectangle are in proportion
(iii)
the width of all rectangles are equal
(iv)
the lengths of all rectangles are equal
Assignment Key
1) (ii)
2) (v)
3) (v)
4) (ii)
5) (iv)
6) (ii)
7) (ii)
8) (ii)
9) (iii)
