EduSahara™ Assignment
Name : Histogram
Chapter : Statistics
Grade : CBSE Grade IX
License : Non Commercial Use
Question
1
1.
Identify the class interval table for the given histogram.
(i)
Class-Interval
121 - 126
126 - 131
131 - 136
136 - 141
141 - 146
146 - 151
Frequency
92
38
106
82
79
87
(ii)
Class-Interval
121 - 126
126 - 131
131 - 136
136 - 141
141 - 146
146 - 151
Frequency
92
38
106
85
79
87
(iii)
Class-Interval
121 - 126
126 - 131
131 - 136
136 - 141
141 - 146
146 - 151
Frequency
92
106
38
82
79
87
(iv)
Class-Interval
121 - 126
126 - 131
131 - 136
136 - 141
141 - 146
146 - 151
Frequency
92
38
103
82
79
87
(v)
Class-Interval
121 - 126
126 - 131
131 - 136
136 - 141
141 - 146
146 - 151
Frequency
92
87
106
82
79
38
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)
74 - 78
78 - 82
82 - 86
86 - 90
90 - 94
94 - 98
No. of Patients
21
28
13
26
48
36
(ii)
Age (in years)
74 - 78
78 - 82
82 - 86
86 - 90
90 - 94
94 - 98
No. of Patients
21
28
17
31
48
36
(iii)
Age (in years)
74 - 78
78 - 82
82 - 86
86 - 90
90 - 94
94 - 98
No. of Patients
21
28
17
26
48
36
(iv)
Age (in years)
74 - 78
78 - 82
82 - 86
86 - 90
90 - 94
94 - 98
No. of Patients
21
36
17
26
48
28
(v)
Age (in years)
74 - 78
78 - 82
82 - 86
86 - 90
90 - 94
94 - 98
No. of Patients
21
17
28
26
48
36
Question
3
3.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
41 - 45
45 - 49
49 - 53
53 - 57
57 - 61
61 - 65
65 - 69
No. of students
21
13
20
18
20
20
29
(ii)
Weight (in kg)
41 - 45
45 - 49
49 - 53
53 - 57
57 - 61
61 - 65
65 - 69
No. of students
21
13
24
22
20
20
29
(iii)
Weight (in kg)
41 - 45
45 - 49
49 - 53
53 - 57
57 - 61
61 - 65
65 - 69
No. of students
21
29
24
18
20
20
13
(iv)
Weight (in kg)
41 - 45
45 - 49
49 - 53
53 - 57
57 - 61
61 - 65
65 - 69
No. of students
21
24
13
18
20
20
29
(v)
Weight (in kg)
41 - 45
45 - 49
49 - 53
53 - 57
57 - 61
61 - 65
65 - 69
No. of students
21
13
24
18
20
20
29
Question
4
4.
A histogram consists of
(i)
triangles
(ii)
rectangles
(iii)
squares
(iv)
sectors
Question
5
5.
The width of the rectangles in a histogram represents
(i)
frequency of the class
(ii)
number of classes
(iii)
mid values of the class
(iv)
class interval
Question
6
6.
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
Question
7
7.
Identify the class interval table for the given histogram.
(i)
Class-Interval
111 - 115
116 - 120
121 - 125
126 - 130
131 - 135
136 - 140
Frequency
106
94
102
25
53
81
(ii)
Class-Interval
111 - 115
116 - 120
121 - 125
126 - 130
131 - 135
136 - 140
Frequency
106
81
99
25
53
94
(iii)
Class-Interval
111 - 115
116 - 120
121 - 125
126 - 130
131 - 135
136 - 140
Frequency
106
81
102
30
53
94
(iv)
Class-Interval
111 - 115
116 - 120
121 - 125
126 - 130
131 - 135
136 - 140
Frequency
106
102
81
25
53
94
(v)
Class-Interval
111 - 115
116 - 120
121 - 125
126 - 130
131 - 135
136 - 140
Frequency
106
81
102
25
53
94
Question
8
8.
In a study of heart patients, the following observations are obtained. Identify the class interval table for the given histogram.
(i)
Age (in years)
70 - 75
76 - 81
82 - 87
88 - 93
94 - 99
No. of Patients
49
15
42
39
22
(ii)
Age (in years)
70 - 75
76 - 81
82 - 87
88 - 93
94 - 99
No. of Patients
49
22
15
39
42
(iii)
Age (in years)
70 - 75
76 - 81
82 - 87
88 - 93
94 - 99
No. of Patients
49
42
15
39
22
(iv)
Age (in years)
70 - 75
76 - 81
82 - 87
88 - 93
94 - 99
No. of Patients
49
47
15
39
22
(v)
Age (in years)
70 - 75
76 - 81
82 - 87
88 - 93
94 - 99
No. of Patients
49
42
18
39
22
Question
9
9.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
37 - 42
43 - 48
49 - 54
55 - 60
61 - 66
67 - 72
73 - 78
79 - 84
No. of students
20
20
26
14
21
30
29
10
(ii)
Weight (in kg)
37 - 42
43 - 48
49 - 54
55 - 60
61 - 66
67 - 72
73 - 78
79 - 84
No. of students
20
10
26
14
21
30
29
20
(iii)
Weight (in kg)
37 - 42
43 - 48
49 - 54
55 - 60
61 - 66
67 - 72
73 - 78
79 - 84
No. of students
20
20
14
26
21
30
29
10
(iv)
Weight (in kg)
37 - 42
43 - 48
49 - 54
55 - 60
61 - 66
67 - 72
73 - 78
79 - 84
No. of students
20
20
26
14
19
30
29
10
(v)
Weight (in kg)
37 - 42
43 - 48
49 - 54
55 - 60
61 - 66
67 - 72
73 - 78
79 - 84
No. of students
20
20
23
14
21
30
29
10
Question
10
10.
Heights of 227 students (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
129 - 135
135 - 141
141 - 147
147 - 153
153 - 159
159 - 165
165 - 171
171 - 177
No. of students
46
50
29
37
11
29
19
6
(ii)
Height (in cm)
129 - 135
135 - 141
141 - 147
147 - 153
153 - 159
159 - 165
165 - 171
171 - 177
No. of students
46
6
29
37
11
29
19
50
(iii)
Height (in cm)
129 - 135
135 - 141
141 - 147
147 - 153
153 - 159
159 - 165
165 - 171
171 - 177
No. of students
46
6
29
37
8
29
19
50
(iv)
Height (in cm)
129 - 135
135 - 141
141 - 147
147 - 153
153 - 159
159 - 165
165 - 171
171 - 177
No. of students
46
6
37
29
11
29
19
50
(v)
Height (in cm)
129 - 135
135 - 141
141 - 147
147 - 153
153 - 159
159 - 165
165 - 171
171 - 177
No. of students
46
6
26
37
11
29
19
50
Question
11
11.
Heights of 221 students (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
124 - 133
134 - 143
144 - 153
154 - 163
164 - 173
174 - 183
No. of students
17
36
39
36
49
44
(ii)
Height (in cm)
124 - 133
134 - 143
144 - 153
154 - 163
164 - 173
174 - 183
No. of students
17
44
39
34
49
36
(iii)
Height (in cm)
124 - 133
134 - 143
144 - 153
154 - 163
164 - 173
174 - 183
No. of students
17
44
39
36
49
36
(iv)
Height (in cm)
124 - 133
134 - 143
144 - 153
154 - 163
164 - 173
174 - 183
No. of students
17
39
44
36
49
36
(v)
Height (in cm)
124 - 133
134 - 143
144 - 153
154 - 163
164 - 173
174 - 183
No. of students
17
44
37
36
49
36
Question
12
12.
Heights of 151 plants (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
61 - 67
67 - 73
73 - 79
79 - 85
85 - 91
91 - 97
97 - 103
103 - 109
No. of plants
33
7
17
32
20
12
5
25
(ii)
Height (in cm)
61 - 67
67 - 73
73 - 79
79 - 85
85 - 91
91 - 97
97 - 103
103 - 109
No. of plants
33
25
17
32
20
12
5
7
(iii)
Height (in cm)
61 - 67
67 - 73
73 - 79
79 - 85
85 - 91
91 - 97
97 - 103
103 - 109
No. of plants
33
25
20
32
20
12
5
7
(iv)
Height (in cm)
61 - 67
67 - 73
73 - 79
79 - 85
85 - 91
91 - 97
97 - 103
103 - 109
No. of plants
33
25
17
32
25
12
5
7
(v)
Height (in cm)
61 - 67
67 - 73
73 - 79
79 - 85
85 - 91
91 - 97
97 - 103
103 - 109
No. of plants
33
25
32
17
20
12
5
7
Question
13
13.
Heights of 154 plants (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
65 - 70
71 - 76
77 - 82
83 - 88
89 - 94
95 - 100
101 - 106
No. of plants
17
14
24
44
6
38
15
(ii)
Height (in cm)
65 - 70
71 - 76
77 - 82
83 - 88
89 - 94
95 - 100
101 - 106
No. of plants
17
15
24
40
6
38
14
(iii)
Height (in cm)
65 - 70
71 - 76
77 - 82
83 - 88
89 - 94
95 - 100
101 - 106
No. of plants
17
14
24
40
6
38
15
(iv)
Height (in cm)
65 - 70
71 - 76
77 - 82
83 - 88
89 - 94
95 - 100
101 - 106
No. of plants
17
24
14
40
6
38
15
(v)
Height (in cm)
65 - 70
71 - 76
77 - 82
83 - 88
89 - 94
95 - 100
101 - 106
No. of plants
17
14
20
40
6
38
15
Question
14
14.
Ages of 152 students (in years) are given below.
Identify the class interval table for the given histogram.
(i)
Age (in years)
12 - 20
20 - 28
28 - 36
36 - 44
44 - 52
52 - 60
60 - 68
No. of students
28
22
8
12
43
5
34
(ii)
Age (in years)
12 - 20
20 - 28
28 - 36
36 - 44
44 - 52
52 - 60
60 - 68
No. of students
28
8
22
12
43
5
34
(iii)
Age (in years)
12 - 20
20 - 28
28 - 36
36 - 44
44 - 52
52 - 60
60 - 68
No. of students
28
8
27
12
43
5
34
(iv)
Age (in years)
12 - 20
20 - 28
28 - 36
36 - 44
44 - 52
52 - 60
60 - 68
No. of students
28
8
22
15
43
5
34
(v)
Age (in years)
12 - 20
20 - 28
28 - 36
36 - 44
44 - 52
52 - 60
60 - 68
No. of students
28
34
22
12
43
5
8
Question
15
15.
Ages of 136 students (in years) are given below.
Identify the class interval table for the given histogram.
(i)
Age (in years)
16 - 26
27 - 37
38 - 48
49 - 59
60 - 70
No. of students
23
28
26
33
26
(ii)
Age (in years)
16 - 26
27 - 37
38 - 48
49 - 59
60 - 70
No. of students
23
28
28
33
26
(iii)
Age (in years)
16 - 26
27 - 37
38 - 48
49 - 59
60 - 70
No. of students
23
26
28
33
26
(iv)
Age (in years)
16 - 26
27 - 37
38 - 48
49 - 59
60 - 70
No. of students
23
26
25
33
26
Question
16
16.
Scores of 177 students are given below.
Identify the class interval table for the given histogram.
(i)
Score
81 - 86
86 - 91
91 - 96
96 - 101
101 - 106
106 - 111
No. of students
37
33
12
44
32
19
(ii)
Score
81 - 86
86 - 91
91 - 96
96 - 101
101 - 106
106 - 111
No. of students
37
12
33
39
32
19
(iii)
Score
81 - 86
86 - 91
91 - 96
96 - 101
101 - 106
106 - 111
No. of students
37
12
33
44
32
19
(iv)
Score
81 - 86
86 - 91
91 - 96
96 - 101
101 - 106
106 - 111
No. of students
37
19
33
44
32
12
(v)
Score
81 - 86
86 - 91
91 - 96
96 - 101
101 - 106
106 - 111
No. of students
37
12
31
44
32
19
Question
17
17.
Scores of 137 students are given below.
Identify the class interval table for the given histogram.
(i)
Score
90 - 100
101 - 111
112 - 122
123 - 133
134 - 144
145 - 155
No. of students
37
20
16
23
21
22
(ii)
Score
90 - 100
101 - 111
112 - 122
123 - 133
134 - 144
145 - 155
No. of students
37
20
14
21
21
22
(iii)
Score
90 - 100
101 - 111
112 - 122
123 - 133
134 - 144
145 - 155
No. of students
37
16
20
21
21
22
(iv)
Score
90 - 100
101 - 111
112 - 122
123 - 133
134 - 144
145 - 155
No. of students
37
20
16
21
21
22
(v)
Score
90 - 100
101 - 111
112 - 122
123 - 133
134 - 144
145 - 155
No. of students
37
22
16
21
21
20
Question
18
18.
Rainfall of 207 days (in mm) are given below.
Identify the class interval table for the given histogram.
(i)
Rainfall (in mm)
10 - 19
19 - 28
28 - 37
37 - 46
46 - 55
55 - 64
64 - 73
73 - 82
No. of days
5
29
31
20
49
20
5
48
(ii)
Rainfall (in mm)
10 - 19
19 - 28
28 - 37
37 - 46
46 - 55
55 - 64
64 - 73
73 - 82
No. of days
5
48
20
31
49
20
5
29
(iii)
Rainfall (in mm)
10 - 19
19 - 28
28 - 37
37 - 46
46 - 55
55 - 64
64 - 73
73 - 82
No. of days
5
48
31
20
49
20
5
29
(iv)
Rainfall (in mm)
10 - 19
19 - 28
28 - 37
37 - 46
46 - 55
55 - 64
64 - 73
73 - 82
No. of days
5
48
31
20
44
20
5
29
(v)
Rainfall (in mm)
10 - 19
19 - 28
28 - 37
37 - 46
46 - 55
55 - 64
64 - 73
73 - 82
No. of days
5
48
27
20
49
20
5
29
Question
19
19.
Rainfall of 182 days (in mm) are given below.
Identify the class interval table for the given histogram.
(i)
Rainfall (in mm)
13 - 18
19 - 24
25 - 30
31 - 36
37 - 42
43 - 48
49 - 54
55 - 60
No. of days
34
45
6
19
23
17
6
32
(ii)
Rainfall (in mm)
13 - 18
19 - 24
25 - 30
31 - 36
37 - 42
43 - 48
49 - 54
55 - 60
No. of days
34
45
4
19
23
17
6
32
(iii)
Rainfall (in mm)
13 - 18
19 - 24
25 - 30
31 - 36
37 - 42
43 - 48
49 - 54
55 - 60
No. of days
34
32
6
19
23
17
6
45
(iv)
Rainfall (in mm)
13 - 18
19 - 24
25 - 30
31 - 36
37 - 42
43 - 48
49 - 54
55 - 60
No. of days
34
45
19
6
23
17
6
32
(v)
Rainfall (in mm)
13 - 18
19 - 24
25 - 30
31 - 36
37 - 42
43 - 48
49 - 54
55 - 60
No. of days
34
45
6
19
26
17
6
32
Question
20
20.
Temperatures of 220 days (in °C) are given below.
Identify the class interval table for the given histogram.
(i)
Temperature (in degree)
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
55 - 60
No. of days
45
44
13
36
19
29
34
(ii)
Temperature (in degree)
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
55 - 60
No. of days
45
34
13
36
19
29
44
(iii)
Temperature (in degree)
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
55 - 60
No. of days
45
13
44
36
19
29
34
(iv)
Temperature (in degree)
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
55 - 60
No. of days
45
44
9
36
19
29
34
(v)
Temperature (in degree)
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
55 - 60
No. of days
45
44
13
41
19
29
34
Question
21
21.
Temperatures of 135 days (in °C) are given below.
Identify the class interval table for the given histogram.
(i)
Temperature (in degree)
28 - 36
37 - 45
46 - 54
55 - 63
64 - 72
73 - 81
No. of days
31
36
12
33
13
6
(ii)
Temperature (in degree)
28 - 36
37 - 45
46 - 54
55 - 63
64 - 72
73 - 81
No. of days
31
36
12
37
13
6
(iii)
Temperature (in degree)
28 - 36
37 - 45
46 - 54
55 - 63
64 - 72
73 - 81
No. of days
31
36
16
37
13
6
(iv)
Temperature (in degree)
28 - 36
37 - 45
46 - 54
55 - 63
64 - 72
73 - 81
No. of days
31
6
12
37
13
36
(v)
Temperature (in degree)
28 - 36
37 - 45
46 - 54
55 - 63
64 - 72
73 - 81
No. of days
31
12
36
37
13
6
Question
22
22.
Weights of 180 students (in kg) are given below.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
49 - 55
55 - 61
61 - 67
67 - 73
73 - 79
79 - 85
No. of students
46
33
11
43
40
7
(ii)
Weight (in kg)
49 - 55
55 - 61
61 - 67
67 - 73
73 - 79
79 - 85
No. of students
46
7
33
43
40
11
(iii)
Weight (in kg)
49 - 55
55 - 61
61 - 67
67 - 73
73 - 79
79 - 85
No. of students
46
11
38
43
40
7
(iv)
Weight (in kg)
49 - 55
55 - 61
61 - 67
67 - 73
73 - 79
79 - 85
No. of students
46
11
33
40
40
7
(v)
Weight (in kg)
49 - 55
55 - 61
61 - 67
67 - 73
73 - 79
79 - 85
No. of students
46
11
33
43
40
7
Question
23
23.
Weights of 163 students (in kg) are given below.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
46 - 56
57 - 67
68 - 78
79 - 89
90 - 100
101 - 111
112 - 122
No. of students
29
9
11
42
10
27
35
(ii)
Weight (in kg)
46 - 56
57 - 67
68 - 78
79 - 89
90 - 100
101 - 111
112 - 122
No. of students
29
9
14
42
10
27
35
(iii)
Weight (in kg)
46 - 56
57 - 67
68 - 78
79 - 89
90 - 100
101 - 111
112 - 122
No. of students
29
35
11
42
10
27
9
(iv)
Weight (in kg)
46 - 56
57 - 67
68 - 78
79 - 89
90 - 100
101 - 111
112 - 122
No. of students
29
11
9
42
10
27
35
(v)
Weight (in kg)
46 - 56
57 - 67
68 - 78
79 - 89
90 - 100
101 - 111
112 - 122
No. of students
29
9
11
47
10
27
35
Question
24
24.
Daily wages of 114 labourers (in ₹) are given below.
Identify the class interval table for the given histogram.
(i)
Daily wage (in Rs)
270 - 275
275 - 280
280 - 285
285 - 290
290 - 295
No. of labourers
38
5
37
26
8
(ii)
Daily wage (in Rs)
270 - 275
275 - 280
280 - 285
285 - 290
290 - 295
No. of labourers
38
8
5
26
37
(iii)
Daily wage (in Rs)
270 - 275
275 - 280
280 - 285
285 - 290
290 - 295
No. of labourers
38
37
7
26
8
(iv)
Daily wage (in Rs)
270 - 275
275 - 280
280 - 285
285 - 290
290 - 295
No. of labourers
38
41
5
26
8
(v)
Daily wage (in Rs)
270 - 275
275 - 280
280 - 285
285 - 290
290 - 295
No. of labourers
38
37
5
26
8
Question
25
25.
Daily wages of 171 labourers (in ₹) are given below.
Identify the class interval table for the given histogram.
(i)
Daily wage (in Rs)
291 - 297
298 - 304
305 - 311
312 - 318
319 - 325
326 - 332
No. of labourers
18
8
39
41
27
38
(ii)
Daily wage (in Rs)
291 - 297
298 - 304
305 - 311
312 - 318
319 - 325
326 - 332
No. of labourers
18
8
39
43
27
38
(iii)
Daily wage (in Rs)
291 - 297
298 - 304
305 - 311
312 - 318
319 - 325
326 - 332
No. of labourers
18
39
8
41
27
38
(iv)
Daily wage (in Rs)
291 - 297
298 - 304
305 - 311
312 - 318
319 - 325
326 - 332
No. of labourers
18
38
39
41
27
8
(v)
Daily wage (in Rs)
291 - 297
298 - 304
305 - 311
312 - 318
319 - 325
326 - 332
No. of labourers
18
8
44
41
27
38
Assignment Key
1) (i)
2) (iii)
3) (v)
4) (ii)
5) (iv)
6) (i)
7) (v)
8) (iii)
9) (i)
10) (ii)
11) (iii)
12) (ii)
13) (iii)
14) (ii)
15) (iii)
16) (iii)
17) (iv)
18) (iii)
19) (i)
20) (i)
21) (ii)
22) (v)
23) (i)
24) (v)
25) (i)
