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
17 - 19
19 - 21
21 - 23
23 - 25
25 - 27
27 - 29
29 - 31
Frequency
139
24
53
83
78
83
133
(ii)
Class-Interval
17 - 19
19 - 21
21 - 23
23 - 25
25 - 27
27 - 29
29 - 31
Frequency
139
24
53
78
78
83
133
(iii)
Class-Interval
17 - 19
19 - 21
21 - 23
23 - 25
25 - 27
27 - 29
29 - 31
Frequency
139
24
55
83
78
83
133
(iv)
Class-Interval
17 - 19
19 - 21
21 - 23
23 - 25
25 - 27
27 - 29
29 - 31
Frequency
139
133
53
83
78
83
24
(v)
Class-Interval
17 - 19
19 - 21
21 - 23
23 - 25
25 - 27
27 - 29
29 - 31
Frequency
139
53
24
83
78
83
133
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)
68 - 71
71 - 74
74 - 77
77 - 80
80 - 83
83 - 86
86 - 89
No. of Patients
17
37
43
38
12
48
31
(ii)
Age (in years)
68 - 71
71 - 74
74 - 77
77 - 80
80 - 83
83 - 86
86 - 89
No. of Patients
17
43
41
38
12
48
31
(iii)
Age (in years)
68 - 71
71 - 74
74 - 77
77 - 80
80 - 83
83 - 86
86 - 89
No. of Patients
17
43
37
38
12
48
31
(iv)
Age (in years)
68 - 71
71 - 74
74 - 77
77 - 80
80 - 83
83 - 86
86 - 89
No. of Patients
17
43
37
42
12
48
31
(v)
Age (in years)
68 - 71
71 - 74
74 - 77
77 - 80
80 - 83
83 - 86
86 - 89
No. of Patients
17
31
37
38
12
48
43
Question
3
3.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
18 - 22
22 - 26
26 - 30
30 - 34
34 - 38
No. of students
23
29
11
17
26
(ii)
Weight (in kg)
18 - 22
22 - 26
26 - 30
30 - 34
34 - 38
No. of students
23
11
26
17
29
(iii)
Weight (in kg)
18 - 22
22 - 26
26 - 30
30 - 34
34 - 38
No. of students
23
26
8
17
29
(iv)
Weight (in kg)
18 - 22
22 - 26
26 - 30
30 - 34
34 - 38
No. of students
23
26
11
17
29
(v)
Weight (in kg)
18 - 22
22 - 26
26 - 30
30 - 34
34 - 38
No. of students
23
22
11
17
29
Question
4
4.
Identify the class interval table for the given histogram.
(i)
Class-Interval
44 - 47
47 - 50
50 - 53
53 - 56
56 - 59
59 - 62
62 - 65
65 - 68
Frequency
69
64
56
57
34
112
113
88
(ii)
Class-Interval
44 - 47
47 - 50
50 - 53
53 - 56
56 - 59
59 - 62
62 - 65
65 - 68
Frequency
69
64
61
56
34
112
113
88
(iii)
Class-Interval
44 - 47
47 - 50
50 - 53
53 - 56
56 - 59
59 - 62
62 - 65
65 - 68
Frequency
69
64
57
56
34
112
113
88
(iv)
Class-Interval
44 - 47
47 - 50
50 - 53
53 - 56
56 - 59
59 - 62
62 - 65
65 - 68
Frequency
69
64
57
56
32
112
113
88
(v)
Class-Interval
44 - 47
47 - 50
50 - 53
53 - 56
56 - 59
59 - 62
62 - 65
65 - 68
Frequency
69
88
57
56
34
112
113
64
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)
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
No. of Patients
10
10
27
38
23
43
50
(ii)
Age (in years)
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
No. of Patients
10
27
15
38
23
43
50
(iii)
Age (in years)
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
No. of Patients
10
27
10
43
23
43
50
(iv)
Age (in years)
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
No. of Patients
10
27
10
38
23
43
50
(v)
Age (in years)
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
No. of Patients
10
50
10
38
23
43
27
Question
6
6.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
40 - 42
42 - 44
44 - 46
46 - 48
48 - 50
No. of students
20
15
29
25
10
(ii)
Weight (in kg)
40 - 42
42 - 44
44 - 46
46 - 48
48 - 50
No. of students
20
29
15
25
10
(iii)
Weight (in kg)
40 - 42
42 - 44
44 - 46
46 - 48
48 - 50
No. of students
20
33
15
25
10
(iv)
Weight (in kg)
40 - 42
42 - 44
44 - 46
46 - 48
48 - 50
No. of students
20
29
13
25
10
(v)
Weight (in kg)
40 - 42
42 - 44
44 - 46
46 - 48
48 - 50
No. of students
20
10
15
25
29
Question
7
7.
A histogram consists of
(i)
sectors
(ii)
squares
(iii)
rectangles
(iv)
triangles
Question
8
8.
The width of the rectangles in a histogram represents
(i)
class interval
(ii)
number of classes
(iii)
mid values of the class
(iv)
frequency of the class
Question
9
9.
In a histogram
(i)
the length and width of each rectangle are in proportion
(ii)
the lengths of all rectangles are equal
(iii)
the lengths and widths of all rectangles are equal
(iv)
the width of all rectangles are equal
Assignment Key
1) (i)
2) (iii)
3) (iv)
4) (iii)
5) (iv)
6) (ii)
7) (iii)
8) (i)
9) (iv)
