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
49 - 54
54 - 59
59 - 64
64 - 69
69 - 74
74 - 79
Frequency
104
51
125
78
126
79
(ii)
Class-Interval
49 - 54
54 - 59
59 - 64
64 - 69
69 - 74
74 - 79
Frequency
104
79
120
78
126
51
(iii)
Class-Interval
49 - 54
54 - 59
59 - 64
64 - 69
69 - 74
74 - 79
Frequency
104
79
125
73
126
51
(iv)
Class-Interval
49 - 54
54 - 59
59 - 64
64 - 69
69 - 74
74 - 79
Frequency
104
79
125
78
126
51
(v)
Class-Interval
49 - 54
54 - 59
59 - 64
64 - 69
69 - 74
74 - 79
Frequency
104
125
79
78
126
51
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)
67 - 71
71 - 75
75 - 79
79 - 83
83 - 87
87 - 91
No. of Patients
46
28
43
13
26
45
(ii)
Age (in years)
67 - 71
71 - 75
75 - 79
79 - 83
83 - 87
87 - 91
No. of Patients
46
45
43
9
26
28
(iii)
Age (in years)
67 - 71
71 - 75
75 - 79
79 - 83
83 - 87
87 - 91
No. of Patients
46
43
45
13
26
28
(iv)
Age (in years)
67 - 71
71 - 75
75 - 79
79 - 83
83 - 87
87 - 91
No. of Patients
46
45
46
13
26
28
(v)
Age (in years)
67 - 71
71 - 75
75 - 79
79 - 83
83 - 87
87 - 91
No. of Patients
46
45
43
13
26
28
Question
3
3.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
40 - 43
43 - 46
46 - 49
49 - 52
52 - 55
55 - 58
58 - 61
61 - 64
No. of students
16
28
18
7
17
20
16
8
(ii)
Weight (in kg)
40 - 43
43 - 46
46 - 49
49 - 52
52 - 55
55 - 58
58 - 61
61 - 64
No. of students
16
28
14
7
19
20
16
8
(iii)
Weight (in kg)
40 - 43
43 - 46
46 - 49
49 - 52
52 - 55
55 - 58
58 - 61
61 - 64
No. of students
16
28
18
7
19
20
16
8
(iv)
Weight (in kg)
40 - 43
43 - 46
46 - 49
49 - 52
52 - 55
55 - 58
58 - 61
61 - 64
No. of students
16
8
18
7
19
20
16
28
(v)
Weight (in kg)
40 - 43
43 - 46
46 - 49
49 - 52
52 - 55
55 - 58
58 - 61
61 - 64
No. of students
16
28
7
18
19
20
16
8
Question
4
4.
A histogram consists of
(i)
triangles
(ii)
sectors
(iii)
rectangles
(iv)
squares
Question
5
5.
The width of the rectangles in a histogram represents
(i)
number of classes
(ii)
mid values of the class
(iii)
frequency of the class
(iv)
class interval
Question
6
6.
In a histogram
(i)
the lengths of all rectangles are equal
(ii)
the width of all rectangles are equal
(iii)
the length and width of each rectangle are in proportion
(iv)
the lengths and widths of all rectangles are equal
Question
7
7.
Identify the class interval table for the given histogram.
(i)
Class-Interval
45 - 48
49 - 52
53 - 56
57 - 60
61 - 64
65 - 68
69 - 72
73 - 76
Frequency
79
136
114
131
91
41
80
49
(ii)
Class-Interval
45 - 48
49 - 52
53 - 56
57 - 60
61 - 64
65 - 68
69 - 72
73 - 76
Frequency
79
136
131
118
91
41
80
49
(iii)
Class-Interval
45 - 48
49 - 52
53 - 56
57 - 60
61 - 64
65 - 68
69 - 72
73 - 76
Frequency
79
136
118
131
91
41
80
49
(iv)
Class-Interval
45 - 48
49 - 52
53 - 56
57 - 60
61 - 64
65 - 68
69 - 72
73 - 76
Frequency
79
49
118
131
91
41
80
136
(v)
Class-Interval
45 - 48
49 - 52
53 - 56
57 - 60
61 - 64
65 - 68
69 - 72
73 - 76
Frequency
79
136
118
131
96
41
80
49
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)
62 - 65
66 - 69
70 - 73
74 - 77
78 - 81
82 - 85
86 - 89
90 - 93
No. of Patients
38
37
19
14
33
46
27
50
(ii)
Age (in years)
62 - 65
66 - 69
70 - 73
74 - 77
78 - 81
82 - 85
86 - 89
90 - 93
No. of Patients
38
50
14
19
33
46
27
37
(iii)
Age (in years)
62 - 65
66 - 69
70 - 73
74 - 77
78 - 81
82 - 85
86 - 89
90 - 93
No. of Patients
38
37
14
19
37
46
27
50
(iv)
Age (in years)
62 - 65
66 - 69
70 - 73
74 - 77
78 - 81
82 - 85
86 - 89
90 - 93
No. of Patients
38
37
14
19
33
46
27
50
(v)
Age (in years)
62 - 65
66 - 69
70 - 73
74 - 77
78 - 81
82 - 85
86 - 89
90 - 93
No. of Patients
38
37
12
19
33
46
27
50
Question
9
9.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
49 - 54
55 - 60
61 - 66
67 - 72
73 - 78
79 - 84
85 - 90
No. of students
5
27
7
7
16
26
10
(ii)
Weight (in kg)
49 - 54
55 - 60
61 - 66
67 - 72
73 - 78
79 - 84
85 - 90
No. of students
5
10
7
11
16
26
27
(iii)
Weight (in kg)
49 - 54
55 - 60
61 - 66
67 - 72
73 - 78
79 - 84
85 - 90
No. of students
5
27
4
11
16
26
10
(iv)
Weight (in kg)
49 - 54
55 - 60
61 - 66
67 - 72
73 - 78
79 - 84
85 - 90
No. of students
5
27
7
11
16
26
10
(v)
Weight (in kg)
49 - 54
55 - 60
61 - 66
67 - 72
73 - 78
79 - 84
85 - 90
No. of students
5
7
27
11
16
26
10
Question
10
10.
Heights of 250 students (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
130 - 138
138 - 146
146 - 154
154 - 162
162 - 170
170 - 178
178 - 186
No. of students
50
46
27
33
34
42
15
(ii)
Height (in cm)
130 - 138
138 - 146
146 - 154
154 - 162
162 - 170
170 - 178
178 - 186
No. of students
50
15
27
36
34
42
46
(iii)
Height (in cm)
130 - 138
138 - 146
146 - 154
154 - 162
162 - 170
170 - 178
178 - 186
No. of students
50
46
27
36
34
42
15
(iv)
Height (in cm)
130 - 138
138 - 146
146 - 154
154 - 162
162 - 170
170 - 178
178 - 186
No. of students
50
46
24
36
34
42
15
(v)
Height (in cm)
130 - 138
138 - 146
146 - 154
154 - 162
162 - 170
170 - 178
178 - 186
No. of students
50
27
46
36
34
42
15
Question
11
11.
Heights of 165 students (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
123 - 133
134 - 144
145 - 155
156 - 166
167 - 177
178 - 188
189 - 199
200 - 210
No. of students
7
26
18
32
6
29
16
31
(ii)
Height (in cm)
123 - 133
134 - 144
145 - 155
156 - 166
167 - 177
178 - 188
189 - 199
200 - 210
No. of students
7
31
16
32
6
29
16
26
(iii)
Height (in cm)
123 - 133
134 - 144
145 - 155
156 - 166
167 - 177
178 - 188
189 - 199
200 - 210
No. of students
7
31
18
32
6
29
16
26
(iv)
Height (in cm)
123 - 133
134 - 144
145 - 155
156 - 166
167 - 177
178 - 188
189 - 199
200 - 210
No. of students
7
31
32
18
6
29
16
26
(v)
Height (in cm)
123 - 133
134 - 144
145 - 155
156 - 166
167 - 177
178 - 188
189 - 199
200 - 210
No. of students
7
31
18
32
1
29
16
26
Question
12
12.
Heights of 263 plants (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
99 - 104
No. of plants
48
34
8
40
22
47
29
40
(ii)
Height (in cm)
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
99 - 104
No. of plants
48
34
8
40
17
47
29
40
(iii)
Height (in cm)
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
99 - 104
No. of plants
48
34
40
8
17
47
29
40
(iv)
Height (in cm)
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
99 - 104
No. of plants
48
40
8
40
17
47
29
34
(v)
Height (in cm)
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
94 - 99
99 - 104
No. of plants
48
34
5
40
17
47
29
40
Question
13
13.
Heights of 236 plants (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
67 - 75
76 - 84
85 - 93
94 - 102
103 - 111
112 - 120
121 - 129
130 - 138
No. of plants
35
14
37
28
34
41
18
29
(ii)
Height (in cm)
67 - 75
76 - 84
85 - 93
94 - 102
103 - 111
112 - 120
121 - 129
130 - 138
No. of plants
35
14
25
37
34
41
18
29
(iii)
Height (in cm)
67 - 75
76 - 84
85 - 93
94 - 102
103 - 111
112 - 120
121 - 129
130 - 138
No. of plants
35
14
28
37
34
41
18
29
(iv)
Height (in cm)
67 - 75
76 - 84
85 - 93
94 - 102
103 - 111
112 - 120
121 - 129
130 - 138
No. of plants
35
14
28
37
31
41
18
29
(v)
Height (in cm)
67 - 75
76 - 84
85 - 93
94 - 102
103 - 111
112 - 120
121 - 129
130 - 138
No. of plants
35
29
28
37
34
41
18
14
Question
14
14.
Ages of 223 students (in years) are given below.
Identify the class interval table for the given histogram.
(i)
Age (in years)
10 - 16
16 - 22
22 - 28
28 - 34
34 - 40
40 - 46
46 - 52
52 - 58
No. of students
24
50
47
8
37
24
5
24
(ii)
Age (in years)
10 - 16
16 - 22
22 - 28
28 - 34
34 - 40
40 - 46
46 - 52
52 - 58
No. of students
24
24
47
8
41
24
5
50
(iii)
Age (in years)
10 - 16
16 - 22
22 - 28
28 - 34
34 - 40
40 - 46
46 - 52
52 - 58
No. of students
24
50
52
8
41
24
5
24
(iv)
Age (in years)
10 - 16
16 - 22
22 - 28
28 - 34
34 - 40
40 - 46
46 - 52
52 - 58
No. of students
24
50
47
8
41
24
5
24
(v)
Age (in years)
10 - 16
16 - 22
22 - 28
28 - 34
34 - 40
40 - 46
46 - 52
52 - 58
No. of students
24
50
8
47
41
24
5
24
Question
15
15.
Ages of 196 students (in years) are given below.
Identify the class interval table for the given histogram.
(i)
Age (in years)
12 - 21
22 - 31
32 - 41
42 - 51
52 - 61
62 - 71
72 - 81
No. of students
50
35
9
32
25
39
6
(ii)
Age (in years)
12 - 21
22 - 31
32 - 41
42 - 51
52 - 61
62 - 71
72 - 81
No. of students
50
6
9
32
25
39
35
(iii)
Age (in years)
12 - 21
22 - 31
32 - 41
42 - 51
52 - 61
62 - 71
72 - 81
No. of students
50
6
5
32
25
39
35
(iv)
Age (in years)
12 - 21
22 - 31
32 - 41
42 - 51
52 - 61
62 - 71
72 - 81
No. of students
50
6
9
30
25
39
35
(v)
Age (in years)
12 - 21
22 - 31
32 - 41
42 - 51
52 - 61
62 - 71
72 - 81
No. of students
50
9
6
32
25
39
35
Question
16
16.
Scores of 196 students are given below.
Identify the class interval table for the given histogram.
(i)
Score
72 - 81
81 - 90
90 - 99
99 - 108
108 - 117
117 - 126
126 - 135
No. of students
6
31
43
25
44
31
21
(ii)
Score
72 - 81
81 - 90
90 - 99
99 - 108
108 - 117
117 - 126
126 - 135
No. of students
6
31
38
25
44
31
21
(iii)
Score
72 - 81
81 - 90
90 - 99
99 - 108
108 - 117
117 - 126
126 - 135
No. of students
6
31
38
27
44
31
21
(iv)
Score
72 - 81
81 - 90
90 - 99
99 - 108
108 - 117
117 - 126
126 - 135
No. of students
6
21
38
25
44
31
31
(v)
Score
72 - 81
81 - 90
90 - 99
99 - 108
108 - 117
117 - 126
126 - 135
No. of students
6
38
31
25
44
31
21
Question
17
17.
Scores of 232 students are given below.
Identify the class interval table for the given histogram.
(i)
Score
85 - 94
95 - 104
105 - 114
115 - 124
125 - 134
135 - 144
145 - 154
No. of students
21
33
31
42
45
27
37
(ii)
Score
85 - 94
95 - 104
105 - 114
115 - 124
125 - 134
135 - 144
145 - 154
No. of students
21
37
27
42
45
27
33
(iii)
Score
85 - 94
95 - 104
105 - 114
115 - 124
125 - 134
135 - 144
145 - 154
No. of students
21
27
33
42
45
27
37
(iv)
Score
85 - 94
95 - 104
105 - 114
115 - 124
125 - 134
135 - 144
145 - 154
No. of students
21
33
27
42
45
27
37
(v)
Score
85 - 94
95 - 104
105 - 114
115 - 124
125 - 134
135 - 144
145 - 154
No. of students
21
33
27
38
45
27
37
Question
18
18.
Rainfall of 131 days (in mm) are given below.
Identify the class interval table for the given histogram.
(i)
Rainfall (in mm)
8 - 15
15 - 22
22 - 29
29 - 36
36 - 43
43 - 50
No. of days
40
13
17
21
15
25
(ii)
Rainfall (in mm)
8 - 15
15 - 22
22 - 29
29 - 36
36 - 43
43 - 50
No. of days
40
25
17
25
15
13
(iii)
Rainfall (in mm)
8 - 15
15 - 22
22 - 29
29 - 36
36 - 43
43 - 50
No. of days
40
25
19
21
15
13
(iv)
Rainfall (in mm)
8 - 15
15 - 22
22 - 29
29 - 36
36 - 43
43 - 50
No. of days
40
17
25
21
15
13
(v)
Rainfall (in mm)
8 - 15
15 - 22
22 - 29
29 - 36
36 - 43
43 - 50
No. of days
40
25
17
21
15
13
Question
19
19.
Rainfall of 249 days (in mm) are given below.
Identify the class interval table for the given histogram.
(i)
Rainfall (in mm)
15 - 24
25 - 34
35 - 44
45 - 54
55 - 64
65 - 74
75 - 84
No. of days
50
30
49
34
15
24
50
(ii)
Rainfall (in mm)
15 - 24
25 - 34
35 - 44
45 - 54
55 - 64
65 - 74
75 - 84
No. of days
50
30
46
36
15
24
50
(iii)
Rainfall (in mm)
15 - 24
25 - 34
35 - 44
45 - 54
55 - 64
65 - 74
75 - 84
No. of days
50
50
46
34
15
24
30
(iv)
Rainfall (in mm)
15 - 24
25 - 34
35 - 44
45 - 54
55 - 64
65 - 74
75 - 84
No. of days
50
30
46
34
15
24
50
(v)
Rainfall (in mm)
15 - 24
25 - 34
35 - 44
45 - 54
55 - 64
65 - 74
75 - 84
No. of days
50
46
30
34
15
24
50
Question
20
20.
Temperatures of 67 days (in °C) are given below.
Identify the class interval table for the given histogram.
(i)
Temperature (in degree)
33 - 40
40 - 47
47 - 54
54 - 61
61 - 68
No. of days
15
20
14
9
5
(ii)
Temperature (in degree)
33 - 40
40 - 47
47 - 54
54 - 61
61 - 68
No. of days
15
5
14
9
24
(iii)
Temperature (in degree)
33 - 40
40 - 47
47 - 54
54 - 61
61 - 68
No. of days
15
24
14
9
5
(iv)
Temperature (in degree)
33 - 40
40 - 47
47 - 54
54 - 61
61 - 68
No. of days
15
24
10
9
5
(v)
Temperature (in degree)
33 - 40
40 - 47
47 - 54
54 - 61
61 - 68
No. of days
15
14
24
9
5
Question
21
21.
Temperatures of 150 days (in °C) are given below.
Identify the class interval table for the given histogram.
(i)
Temperature (in degree)
29 - 36
37 - 44
45 - 52
53 - 60
61 - 68
No. of days
48
25
32
10
35
(ii)
Temperature (in degree)
29 - 36
37 - 44
45 - 52
53 - 60
61 - 68
No. of days
48
31
32
10
25
(iii)
Temperature (in degree)
29 - 36
37 - 44
45 - 52
53 - 60
61 - 68
No. of days
48
32
35
10
25
(iv)
Temperature (in degree)
29 - 36
37 - 44
45 - 52
53 - 60
61 - 68
No. of days
48
35
32
10
25
(v)
Temperature (in degree)
29 - 36
37 - 44
45 - 52
53 - 60
61 - 68
No. of days
48
35
34
10
25
Question
22
22.
Weights of 163 students (in kg) are given below.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
45 - 54
54 - 63
63 - 72
72 - 81
81 - 90
90 - 99
99 - 108
No. of students
36
8
38
10
47
18
6
(ii)
Weight (in kg)
45 - 54
54 - 63
63 - 72
72 - 81
81 - 90
90 - 99
99 - 108
No. of students
36
6
38
10
47
18
8
(iii)
Weight (in kg)
45 - 54
54 - 63
63 - 72
72 - 81
81 - 90
90 - 99
99 - 108
No. of students
36
8
40
10
47
18
6
(iv)
Weight (in kg)
45 - 54
54 - 63
63 - 72
72 - 81
81 - 90
90 - 99
99 - 108
No. of students
36
8
38
14
47
18
6
(v)
Weight (in kg)
45 - 54
54 - 63
63 - 72
72 - 81
81 - 90
90 - 99
99 - 108
No. of students
36
38
8
10
47
18
6
Question
23
23.
Weights of 207 students (in kg) are given below.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
56 - 65
66 - 75
76 - 85
86 - 95
96 - 105
106 - 115
116 - 125
126 - 135
No. of students
21
40
7
5
25
38
19
47
(ii)
Weight (in kg)
56 - 65
66 - 75
76 - 85
86 - 95
96 - 105
106 - 115
116 - 125
126 - 135
No. of students
21
40
3
5
30
38
19
47
(iii)
Weight (in kg)
56 - 65
66 - 75
76 - 85
86 - 95
96 - 105
106 - 115
116 - 125
126 - 135
No. of students
21
47
7
5
30
38
19
40
(iv)
Weight (in kg)
56 - 65
66 - 75
76 - 85
86 - 95
96 - 105
106 - 115
116 - 125
126 - 135
No. of students
21
40
5
7
30
38
19
47
(v)
Weight (in kg)
56 - 65
66 - 75
76 - 85
86 - 95
96 - 105
106 - 115
116 - 125
126 - 135
No. of students
21
40
7
5
30
38
19
47
Question
24
24.
Daily wages of 209 labourers (in ₹) are given below.
Identify the class interval table for the given histogram.
(i)
Daily wage (in Rs)
241 - 246
246 - 251
251 - 256
256 - 261
261 - 266
266 - 271
No. of labourers
40
21
20
37
48
43
(ii)
Daily wage (in Rs)
241 - 246
246 - 251
251 - 256
256 - 261
261 - 266
266 - 271
No. of labourers
40
21
17
37
48
43
(iii)
Daily wage (in Rs)
241 - 246
246 - 251
251 - 256
256 - 261
261 - 266
266 - 271
No. of labourers
40
20
21
37
48
43
(iv)
Daily wage (in Rs)
241 - 246
246 - 251
251 - 256
256 - 261
261 - 266
266 - 271
No. of labourers
40
21
20
32
48
43
(v)
Daily wage (in Rs)
241 - 246
246 - 251
251 - 256
256 - 261
261 - 266
266 - 271
No. of labourers
40
43
20
37
48
21
Question
25
25.
Daily wages of 146 labourers (in ₹) are given below.
Identify the class interval table for the given histogram.
(i)
Daily wage (in Rs)
217 - 226
227 - 236
237 - 246
247 - 256
257 - 266
No. of labourers
16
26
32
29
47
(ii)
Daily wage (in Rs)
217 - 226
227 - 236
237 - 246
247 - 256
257 - 266
No. of labourers
16
22
32
29
47
(iii)
Daily wage (in Rs)
217 - 226
227 - 236
237 - 246
247 - 256
257 - 266
No. of labourers
16
47
32
29
22
(iv)
Daily wage (in Rs)
217 - 226
227 - 236
237 - 246
247 - 256
257 - 266
No. of labourers
16
32
22
29
47
(v)
Daily wage (in Rs)
217 - 226
227 - 236
237 - 246
247 - 256
257 - 266
No. of labourers
16
22
28
29
47
Assignment Key
1) (iv)
2) (v)
3) (iii)
4) (iii)
5) (iv)
6) (ii)
7) (iii)
8) (iv)
9) (iv)
10) (iii)
11) (iii)
12) (ii)
13) (iii)
14) (iv)
15) (ii)
16) (ii)
17) (iv)
18) (v)
19) (iv)
20) (iii)
21) (iv)
22) (i)
23) (v)
24) (i)
25) (ii)
