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
115 - 119
119 - 123
123 - 127
127 - 131
131 - 135
135 - 139
Frequency
54
110
19
101
42
18
(ii)
Class-Interval
115 - 119
119 - 123
123 - 127
127 - 131
131 - 135
135 - 139
Frequency
54
110
19
99
42
18
(iii)
Class-Interval
115 - 119
119 - 123
123 - 127
127 - 131
131 - 135
135 - 139
Frequency
54
110
23
99
42
18
(iv)
Class-Interval
115 - 119
119 - 123
123 - 127
127 - 131
131 - 135
135 - 139
Frequency
54
18
19
99
42
110
(v)
Class-Interval
115 - 119
119 - 123
123 - 127
127 - 131
131 - 135
135 - 139
Frequency
54
19
110
99
42
18
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)
65 - 68
68 - 71
71 - 74
74 - 77
77 - 80
80 - 83
83 - 86
86 - 89
No. of Patients
46
15
18
40
20
40
21
34
(ii)
Age (in years)
65 - 68
68 - 71
71 - 74
74 - 77
77 - 80
80 - 83
83 - 86
86 - 89
No. of Patients
46
34
23
40
20
40
21
15
(iii)
Age (in years)
65 - 68
68 - 71
71 - 74
74 - 77
77 - 80
80 - 83
83 - 86
86 - 89
No. of Patients
46
15
40
23
20
40
21
34
(iv)
Age (in years)
65 - 68
68 - 71
71 - 74
74 - 77
77 - 80
80 - 83
83 - 86
86 - 89
No. of Patients
46
15
23
40
20
40
21
34
(v)
Age (in years)
65 - 68
68 - 71
71 - 74
74 - 77
77 - 80
80 - 83
83 - 86
86 - 89
No. of Patients
46
15
23
40
18
40
21
34
Question
3
3.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
26 - 28
28 - 30
30 - 32
32 - 34
34 - 36
36 - 38
38 - 40
No. of students
11
29
25
21
28
24
28
(ii)
Weight (in kg)
26 - 28
28 - 30
30 - 32
32 - 34
34 - 36
36 - 38
38 - 40
No. of students
11
21
29
21
28
24
28
(iii)
Weight (in kg)
26 - 28
28 - 30
30 - 32
32 - 34
34 - 36
36 - 38
38 - 40
No. of students
11
29
21
21
28
24
28
(iv)
Weight (in kg)
26 - 28
28 - 30
30 - 32
32 - 34
34 - 36
36 - 38
38 - 40
No. of students
11
28
21
21
28
24
29
(v)
Weight (in kg)
26 - 28
28 - 30
30 - 32
32 - 34
34 - 36
36 - 38
38 - 40
No. of students
11
29
21
25
28
24
28
Question
4
4.
Identify the class interval table for the given histogram.
(i)
Class-Interval
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
Frequency
134
24
135
75
63
76
61
(ii)
Class-Interval
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
Frequency
134
61
135
77
63
76
24
(iii)
Class-Interval
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
Frequency
134
135
61
75
63
76
24
(iv)
Class-Interval
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
Frequency
134
61
135
75
63
76
24
(v)
Class-Interval
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
Frequency
134
61
140
75
63
76
24
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)
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
99 - 104
No. of Patients
42
49
44
25
39
22
(ii)
Age (in years)
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
99 - 104
No. of Patients
42
49
44
28
39
22
(iii)
Age (in years)
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
99 - 104
No. of Patients
42
44
49
25
39
22
(iv)
Age (in years)
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
99 - 104
No. of Patients
42
49
48
25
39
22
(v)
Age (in years)
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
99 - 104
No. of Patients
42
22
44
25
39
49
Question
6
6.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
27 - 32
32 - 37
37 - 42
42 - 47
47 - 52
52 - 57
57 - 62
No. of students
23
24
19
30
28
27
30
(ii)
Weight (in kg)
27 - 32
32 - 37
37 - 42
42 - 47
47 - 52
52 - 57
57 - 62
No. of students
23
19
24
30
28
27
30
(iii)
Weight (in kg)
27 - 32
32 - 37
37 - 42
42 - 47
47 - 52
52 - 57
57 - 62
No. of students
23
24
19
35
28
27
30
(iv)
Weight (in kg)
27 - 32
32 - 37
37 - 42
42 - 47
47 - 52
52 - 57
57 - 62
No. of students
23
30
19
30
28
27
24
(v)
Weight (in kg)
27 - 32
32 - 37
37 - 42
42 - 47
47 - 52
52 - 57
57 - 62
No. of students
23
24
23
30
28
27
30
Question
7
7.
A histogram consists of
(i)
rectangles
(ii)
triangles
(iii)
squares
(iv)
sectors
Question
8
8.
The width of the rectangles in a histogram represents
(i)
mid values of the class
(ii)
frequency of the class
(iii)
class interval
(iv)
number of classes
Question
9
9.
In a histogram
(i)
the length and width of each rectangle are in proportion
(ii)
the width of all rectangles are equal
(iii)
the lengths of all rectangles are equal
(iv)
the lengths and widths of all rectangles are equal
Assignment Key
1) (ii)
2) (iv)
3) (iii)
4) (iv)
5) (i)
6) (i)
7) (i)
8) (iii)
9) (ii)
