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
139 - 143
143 - 147
147 - 151
151 - 155
155 - 159
159 - 163
163 - 167
Frequency
120
112
118
25
74
47
45
(ii)
Class-Interval
139 - 143
143 - 147
147 - 151
151 - 155
155 - 159
159 - 163
163 - 167
Frequency
120
118
112
25
74
47
45
(iii)
Class-Interval
139 - 143
143 - 147
147 - 151
151 - 155
155 - 159
159 - 163
163 - 167
Frequency
120
112
118
23
74
47
45
(iv)
Class-Interval
139 - 143
143 - 147
147 - 151
151 - 155
155 - 159
159 - 163
163 - 167
Frequency
120
112
123
25
74
47
45
(v)
Class-Interval
139 - 143
143 - 147
147 - 151
151 - 155
155 - 159
159 - 163
163 - 167
Frequency
120
45
118
25
74
47
112
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)
32 - 35
35 - 38
38 - 41
41 - 44
44 - 47
47 - 50
No. of Patients
16
14
46
39
30
14
(ii)
Age (in years)
32 - 35
35 - 38
38 - 41
41 - 44
44 - 47
47 - 50
No. of Patients
16
46
14
44
30
14
(iii)
Age (in years)
32 - 35
35 - 38
38 - 41
41 - 44
44 - 47
47 - 50
No. of Patients
16
14
42
44
30
14
(iv)
Age (in years)
32 - 35
35 - 38
38 - 41
41 - 44
44 - 47
47 - 50
No. of Patients
16
14
46
44
30
14
Question
3
3.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
19 - 22
22 - 25
25 - 28
28 - 31
31 - 34
34 - 37
37 - 40
40 - 43
No. of students
10
11
12
26
14
22
28
28
(ii)
Weight (in kg)
19 - 22
22 - 25
25 - 28
28 - 31
31 - 34
34 - 37
37 - 40
40 - 43
No. of students
10
11
26
12
10
22
28
28
(iii)
Weight (in kg)
19 - 22
22 - 25
25 - 28
28 - 31
31 - 34
34 - 37
37 - 40
40 - 43
No. of students
10
11
21
12
14
22
28
28
(iv)
Weight (in kg)
19 - 22
22 - 25
25 - 28
28 - 31
31 - 34
34 - 37
37 - 40
40 - 43
No. of students
10
11
26
12
14
22
28
28
(v)
Weight (in kg)
19 - 22
22 - 25
25 - 28
28 - 31
31 - 34
34 - 37
37 - 40
40 - 43
No. of students
10
28
26
12
14
22
28
11
Question
4
4.
Identify the class interval table for the given histogram.
(i)
Class-Interval
33 - 36
36 - 39
39 - 42
42 - 45
45 - 48
Frequency
116
27
66
37
108
(ii)
Class-Interval
33 - 36
36 - 39
39 - 42
42 - 45
45 - 48
Frequency
116
108
66
37
30
(iii)
Class-Interval
33 - 36
36 - 39
39 - 42
42 - 45
45 - 48
Frequency
116
30
63
37
108
(iv)
Class-Interval
33 - 36
36 - 39
39 - 42
42 - 45
45 - 48
Frequency
116
30
66
37
108
(v)
Class-Interval
33 - 36
36 - 39
39 - 42
42 - 45
45 - 48
Frequency
116
66
30
37
108
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)
45 - 47
47 - 49
49 - 51
51 - 53
53 - 55
55 - 57
57 - 59
59 - 61
No. of Patients
38
38
10
10
52
25
33
39
(ii)
Age (in years)
45 - 47
47 - 49
49 - 51
51 - 53
53 - 55
55 - 57
57 - 59
59 - 61
No. of Patients
38
39
10
10
50
25
33
38
(iii)
Age (in years)
45 - 47
47 - 49
49 - 51
51 - 53
53 - 55
55 - 57
57 - 59
59 - 61
No. of Patients
38
38
12
10
50
25
33
39
(iv)
Age (in years)
45 - 47
47 - 49
49 - 51
51 - 53
53 - 55
55 - 57
57 - 59
59 - 61
No. of Patients
38
38
10
10
50
25
33
39
Question
6
6.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
16 - 19
19 - 22
22 - 25
25 - 28
28 - 31
31 - 34
No. of students
10
9
23
10
30
12
(ii)
Weight (in kg)
16 - 19
19 - 22
22 - 25
25 - 28
28 - 31
31 - 34
No. of students
10
23
12
10
30
9
(iii)
Weight (in kg)
16 - 19
19 - 22
22 - 25
25 - 28
28 - 31
31 - 34
No. of students
10
12
27
10
30
9
(iv)
Weight (in kg)
16 - 19
19 - 22
22 - 25
25 - 28
28 - 31
31 - 34
No. of students
10
12
23
14
30
9
(v)
Weight (in kg)
16 - 19
19 - 22
22 - 25
25 - 28
28 - 31
31 - 34
No. of students
10
12
23
10
30
9
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)
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 length and width of each rectangle are in proportion
(ii)
the lengths and widths of all rectangles are equal
(iii)
the lengths of all rectangles are equal
(iv)
the width of all rectangles are equal
Assignment Key
1) (i)
2) (iv)
3) (iv)
4) (iv)
5) (iv)
6) (v)
7) (iii)
8) (iii)
9) (iv)
