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
29 - 34
34 - 39
39 - 44
44 - 49
49 - 54
Frequency
66
50
135
102
59
(ii)
Class-Interval
29 - 34
34 - 39
39 - 44
44 - 49
49 - 54
Frequency
66
53
133
102
59
(iii)
Class-Interval
29 - 34
34 - 39
39 - 44
44 - 49
49 - 54
Frequency
66
135
53
102
59
(iv)
Class-Interval
29 - 34
34 - 39
39 - 44
44 - 49
49 - 54
Frequency
66
53
135
102
59
(v)
Class-Interval
29 - 34
34 - 39
39 - 44
44 - 49
49 - 54
Frequency
66
59
135
102
53
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)
60 - 65
65 - 70
70 - 75
75 - 80
80 - 85
85 - 90
No. of Patients
17
37
30
25
18
38
(ii)
Age (in years)
60 - 65
65 - 70
70 - 75
75 - 80
80 - 85
85 - 90
No. of Patients
17
30
37
25
18
38
(iii)
Age (in years)
60 - 65
65 - 70
70 - 75
75 - 80
80 - 85
85 - 90
No. of Patients
17
37
35
25
18
38
(iv)
Age (in years)
60 - 65
65 - 70
70 - 75
75 - 80
80 - 85
85 - 90
No. of Patients
17
38
30
25
18
37
(v)
Age (in years)
60 - 65
65 - 70
70 - 75
75 - 80
80 - 85
85 - 90
No. of Patients
17
37
30
30
18
38
Question
3
3.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
No. of students
28
11
2
17
16
(ii)
Weight (in kg)
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
No. of students
28
6
6
17
16
(iii)
Weight (in kg)
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
No. of students
28
16
6
17
11
(iv)
Weight (in kg)
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
No. of students
28
6
11
17
16
(v)
Weight (in kg)
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
No. of students
28
11
6
17
16
Question
4
4.
Identify the class interval table for the given histogram.
(i)
Class-Interval
133 - 137
137 - 141
141 - 145
145 - 149
149 - 153
Frequency
84
131
144
46
23
(ii)
Class-Interval
133 - 137
137 - 141
141 - 145
145 - 149
149 - 153
Frequency
84
23
131
46
144
(iii)
Class-Interval
133 - 137
137 - 141
141 - 145
145 - 149
149 - 153
Frequency
84
141
131
46
23
(iv)
Class-Interval
133 - 137
137 - 141
141 - 145
145 - 149
149 - 153
Frequency
84
144
129
46
23
(v)
Class-Interval
133 - 137
137 - 141
141 - 145
145 - 149
149 - 153
Frequency
84
144
131
46
23
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)
57 - 59
59 - 61
61 - 63
63 - 65
65 - 67
67 - 69
No. of Patients
42
12
9
43
46
26
(ii)
Age (in years)
57 - 59
59 - 61
61 - 63
63 - 65
65 - 67
67 - 69
No. of Patients
42
12
14
48
46
26
(iii)
Age (in years)
57 - 59
59 - 61
61 - 63
63 - 65
65 - 67
67 - 69
No. of Patients
42
26
14
43
46
12
(iv)
Age (in years)
57 - 59
59 - 61
61 - 63
63 - 65
65 - 67
67 - 69
No. of Patients
42
12
14
43
46
26
(v)
Age (in years)
57 - 59
59 - 61
61 - 63
63 - 65
65 - 67
67 - 69
No. of Patients
42
14
12
43
46
26
Question
6
6.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
23 - 26
26 - 29
29 - 32
32 - 35
35 - 38
38 - 41
41 - 44
No. of students
17
24
24
31
12
12
28
(ii)
Weight (in kg)
23 - 26
26 - 29
29 - 32
32 - 35
35 - 38
38 - 41
41 - 44
No. of students
17
28
24
29
12
12
24
(iii)
Weight (in kg)
23 - 26
26 - 29
29 - 32
32 - 35
35 - 38
38 - 41
41 - 44
No. of students
17
24
19
29
12
12
28
(iv)
Weight (in kg)
23 - 26
26 - 29
29 - 32
32 - 35
35 - 38
38 - 41
41 - 44
No. of students
17
24
24
29
12
12
28
Question
7
7.
A histogram consists of
(i)
sectors
(ii)
rectangles
(iii)
squares
(iv)
triangles
Question
8
8.
The width of the rectangles in a histogram represents
(i)
number of classes
(ii)
class interval
(iii)
mid values of the class
(iv)
frequency of the class
Question
9
9.
In a histogram
(i)
the width of all rectangles are equal
(ii)
the lengths and widths of all rectangles are equal
(iii)
the lengths of all rectangles are equal
(iv)
the length and width of each rectangle are in proportion
Assignment Key
1) (iv)
2) (i)
3) (v)
4) (v)
5) (iv)
6) (iv)
7) (ii)
8) (ii)
9) (i)