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
57 - 61
61 - 65
65 - 69
69 - 73
73 - 77
77 - 81
81 - 85
85 - 89
Frequency
91
74
36
92
131
29
47
84
(ii)
Class-Interval
57 - 61
61 - 65
65 - 69
69 - 73
73 - 77
77 - 81
81 - 85
85 - 89
Frequency
91
74
92
41
131
29
47
84
(iii)
Class-Interval
57 - 61
61 - 65
65 - 69
69 - 73
73 - 77
77 - 81
81 - 85
85 - 89
Frequency
91
74
41
92
131
29
47
84
(iv)
Class-Interval
57 - 61
61 - 65
65 - 69
69 - 73
73 - 77
77 - 81
81 - 85
85 - 89
Frequency
91
74
41
92
135
29
47
84
(v)
Class-Interval
57 - 61
61 - 65
65 - 69
69 - 73
73 - 77
77 - 81
81 - 85
85 - 89
Frequency
91
84
41
92
131
29
47
74
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)
86 - 91
91 - 96
96 - 101
101 - 106
106 - 111
111 - 116
116 - 121
121 - 126
No. of Patients
21
19
21
45
28
49
45
33
(ii)
Age (in years)
86 - 91
91 - 96
96 - 101
101 - 106
106 - 111
111 - 116
116 - 121
121 - 126
No. of Patients
21
19
17
45
23
49
45
33
(iii)
Age (in years)
86 - 91
91 - 96
96 - 101
101 - 106
106 - 111
111 - 116
116 - 121
121 - 126
No. of Patients
21
33
17
45
28
49
45
19
(iv)
Age (in years)
86 - 91
91 - 96
96 - 101
101 - 106
106 - 111
111 - 116
116 - 121
121 - 126
No. of Patients
21
19
17
45
28
49
45
33
(v)
Age (in years)
86 - 91
91 - 96
96 - 101
101 - 106
106 - 111
111 - 116
116 - 121
121 - 126
No. of Patients
21
19
45
17
28
49
45
33
Question
3
3.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
36 - 38
38 - 40
40 - 42
42 - 44
44 - 46
46 - 48
48 - 50
50 - 52
No. of students
26
10
17
29
16
17
20
22
(ii)
Weight (in kg)
36 - 38
38 - 40
40 - 42
42 - 44
44 - 46
46 - 48
48 - 50
50 - 52
No. of students
26
10
25
17
16
17
20
22
(iii)
Weight (in kg)
36 - 38
38 - 40
40 - 42
42 - 44
44 - 46
46 - 48
48 - 50
50 - 52
No. of students
26
10
29
17
16
17
20
22
(iv)
Weight (in kg)
36 - 38
38 - 40
40 - 42
42 - 44
44 - 46
46 - 48
48 - 50
50 - 52
No. of students
26
22
29
17
16
17
20
10
(v)
Weight (in kg)
36 - 38
38 - 40
40 - 42
42 - 44
44 - 46
46 - 48
48 - 50
50 - 52
No. of students
26
10
29
17
11
17
20
22
Question
4
4.
A histogram consists of
(i)
triangles
(ii)
rectangles
(iii)
sectors
(iv)
squares
Question
5
5.
The width of the rectangles in a histogram represents
(i)
frequency of the class
(ii)
class interval
(iii)
number of classes
(iv)
mid values of the class
Question
6
6.
In a histogram
(i)
the lengths and widths of all rectangles are equal
(ii)
the length and width of each rectangle are in proportion
(iii)
the width of all rectangles are equal
(iv)
the lengths of all rectangles are equal
Question
7
7.
Identify the class interval table for the given histogram.
(i)
Class-Interval
94 - 99
100 - 105
106 - 111
112 - 117
118 - 123
124 - 129
130 - 135
136 - 141
Frequency
141
86
92
107
88
50
111
47
(ii)
Class-Interval
94 - 99
100 - 105
106 - 111
112 - 117
118 - 123
124 - 129
130 - 135
136 - 141
Frequency
141
47
92
107
88
50
111
86
(iii)
Class-Interval
94 - 99
100 - 105
106 - 111
112 - 117
118 - 123
124 - 129
130 - 135
136 - 141
Frequency
141
47
107
92
88
50
111
86
(iv)
Class-Interval
94 - 99
100 - 105
106 - 111
112 - 117
118 - 123
124 - 129
130 - 135
136 - 141
Frequency
141
47
92
107
93
50
111
86
(v)
Class-Interval
94 - 99
100 - 105
106 - 111
112 - 117
118 - 123
124 - 129
130 - 135
136 - 141
Frequency
141
47
89
107
88
50
111
86
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)
49 - 52
53 - 56
57 - 60
61 - 64
65 - 68
69 - 72
73 - 76
No. of Patients
32
43
50
18
12
15
22
(ii)
Age (in years)
49 - 52
53 - 56
57 - 60
61 - 64
65 - 68
69 - 72
73 - 76
No. of Patients
32
43
50
14
12
15
22
(iii)
Age (in years)
49 - 52
53 - 56
57 - 60
61 - 64
65 - 68
69 - 72
73 - 76
No. of Patients
32
43
45
18
12
15
22
(iv)
Age (in years)
49 - 52
53 - 56
57 - 60
61 - 64
65 - 68
69 - 72
73 - 76
No. of Patients
32
50
43
18
12
15
22
(v)
Age (in years)
49 - 52
53 - 56
57 - 60
61 - 64
65 - 68
69 - 72
73 - 76
No. of Patients
32
22
50
18
12
15
43
Question
9
9.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
24 - 27
28 - 31
32 - 35
36 - 39
40 - 43
44 - 47
48 - 51
52 - 55
No. of students
5
28
8
9
24
14
7
18
(ii)
Weight (in kg)
24 - 27
28 - 31
32 - 35
36 - 39
40 - 43
44 - 47
48 - 51
52 - 55
No. of students
5
28
9
8
24
14
7
18
(iii)
Weight (in kg)
24 - 27
28 - 31
32 - 35
36 - 39
40 - 43
44 - 47
48 - 51
52 - 55
No. of students
5
18
9
8
24
14
7
28
(iv)
Weight (in kg)
24 - 27
28 - 31
32 - 35
36 - 39
40 - 43
44 - 47
48 - 51
52 - 55
No. of students
5
28
9
8
21
14
7
18
(v)
Weight (in kg)
24 - 27
28 - 31
32 - 35
36 - 39
40 - 43
44 - 47
48 - 51
52 - 55
No. of students
5
28
6
8
24
14
7
18
Question
10
10.
Heights of 252 students (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
122 - 131
131 - 140
140 - 149
149 - 158
158 - 167
167 - 176
176 - 185
No. of students
20
48
27
44
27
43
43
(ii)
Height (in cm)
122 - 131
131 - 140
140 - 149
149 - 158
158 - 167
167 - 176
176 - 185
No. of students
20
27
50
44
27
43
43
(iii)
Height (in cm)
122 - 131
131 - 140
140 - 149
149 - 158
158 - 167
167 - 176
176 - 185
No. of students
20
43
48
44
27
43
27
(iv)
Height (in cm)
122 - 131
131 - 140
140 - 149
149 - 158
158 - 167
167 - 176
176 - 185
No. of students
20
27
48
39
27
43
43
(v)
Height (in cm)
122 - 131
131 - 140
140 - 149
149 - 158
158 - 167
167 - 176
176 - 185
No. of students
20
27
48
44
27
43
43
Question
11
11.
Heights of 181 students (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
121 - 126
127 - 132
133 - 138
139 - 144
145 - 150
No. of students
36
26
45
37
37
(ii)
Height (in cm)
121 - 126
127 - 132
133 - 138
139 - 144
145 - 150
No. of students
36
37
26
37
45
(iii)
Height (in cm)
121 - 126
127 - 132
133 - 138
139 - 144
145 - 150
No. of students
36
45
23
37
37
(iv)
Height (in cm)
121 - 126
127 - 132
133 - 138
139 - 144
145 - 150
No. of students
36
49
26
37
37
(v)
Height (in cm)
121 - 126
127 - 132
133 - 138
139 - 144
145 - 150
No. of students
36
45
26
37
37
Question
12
12.
Heights of 149 plants (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
59 - 68
68 - 77
77 - 86
86 - 95
95 - 104
104 - 113
No. of plants
12
14
39
32
7
45
(ii)
Height (in cm)
59 - 68
68 - 77
77 - 86
86 - 95
95 - 104
104 - 113
No. of plants
12
45
43
32
7
14
(iii)
Height (in cm)
59 - 68
68 - 77
77 - 86
86 - 95
95 - 104
104 - 113
No. of plants
12
45
39
35
7
14
(iv)
Height (in cm)
59 - 68
68 - 77
77 - 86
86 - 95
95 - 104
104 - 113
No. of plants
12
39
45
32
7
14
(v)
Height (in cm)
59 - 68
68 - 77
77 - 86
86 - 95
95 - 104
104 - 113
No. of plants
12
45
39
32
7
14
Question
13
13.
Heights of 278 plants (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
63 - 69
70 - 76
77 - 83
84 - 90
91 - 97
98 - 104
105 - 111
No. of plants
41
43
39
43
49
23
40
(ii)
Height (in cm)
63 - 69
70 - 76
77 - 83
84 - 90
91 - 97
98 - 104
105 - 111
No. of plants
41
43
39
48
49
23
40
(iii)
Height (in cm)
63 - 69
70 - 76
77 - 83
84 - 90
91 - 97
98 - 104
105 - 111
No. of plants
41
39
43
43
49
23
40
(iv)
Height (in cm)
63 - 69
70 - 76
77 - 83
84 - 90
91 - 97
98 - 104
105 - 111
No. of plants
41
43
35
43
49
23
40
(v)
Height (in cm)
63 - 69
70 - 76
77 - 83
84 - 90
91 - 97
98 - 104
105 - 111
No. of plants
41
40
39
43
49
23
43
Question
14
14.
Ages of 184 students (in years) are given below.
Identify the class interval table for the given histogram.
(i)
Age (in years)
11 - 16
16 - 21
21 - 26
26 - 31
31 - 36
36 - 41
41 - 46
46 - 51
No. of students
16
16
41
23
10
25
44
13
(ii)
Age (in years)
11 - 16
16 - 21
21 - 26
26 - 31
31 - 36
36 - 41
41 - 46
46 - 51
No. of students
16
16
23
37
10
25
44
13
(iii)
Age (in years)
11 - 16
16 - 21
21 - 26
26 - 31
31 - 36
36 - 41
41 - 46
46 - 51
No. of students
16
13
37
23
10
25
44
16
(iv)
Age (in years)
11 - 16
16 - 21
21 - 26
26 - 31
31 - 36
36 - 41
41 - 46
46 - 51
No. of students
16
16
37
23
14
25
44
13
(v)
Age (in years)
11 - 16
16 - 21
21 - 26
26 - 31
31 - 36
36 - 41
41 - 46
46 - 51
No. of students
16
16
37
23
10
25
44
13
Question
15
15.
Ages of 211 students (in years) are given below.
Identify the class interval table for the given histogram.
(i)
Age (in years)
10 - 15
16 - 21
22 - 27
28 - 33
34 - 39
40 - 45
46 - 51
No. of students
30
49
33
17
32
25
20
(ii)
Age (in years)
10 - 15
16 - 21
22 - 27
28 - 33
34 - 39
40 - 45
46 - 51
No. of students
30
49
33
22
32
25
20
(iii)
Age (in years)
10 - 15
16 - 21
22 - 27
28 - 33
34 - 39
40 - 45
46 - 51
No. of students
30
20
33
22
32
25
49
(iv)
Age (in years)
10 - 15
16 - 21
22 - 27
28 - 33
34 - 39
40 - 45
46 - 51
No. of students
30
33
49
22
32
25
20
(v)
Age (in years)
10 - 15
16 - 21
22 - 27
28 - 33
34 - 39
40 - 45
46 - 51
No. of students
30
49
38
22
32
25
20
Question
16
16.
Scores of 178 students are given below.
Identify the class interval table for the given histogram.
(i)
Score
78 - 84
84 - 90
90 - 96
96 - 102
102 - 108
108 - 114
114 - 120
120 - 126
No. of students
6
26
41
7
32
11
12
43
(ii)
Score
78 - 84
84 - 90
90 - 96
96 - 102
102 - 108
108 - 114
114 - 120
120 - 126
No. of students
6
26
7
41
32
11
12
43
(iii)
Score
78 - 84
84 - 90
90 - 96
96 - 102
102 - 108
108 - 114
114 - 120
120 - 126
No. of students
6
26
41
7
36
11
12
43
(iv)
Score
78 - 84
84 - 90
90 - 96
96 - 102
102 - 108
108 - 114
114 - 120
120 - 126
No. of students
6
26
37
7
32
11
12
43
(v)
Score
78 - 84
84 - 90
90 - 96
96 - 102
102 - 108
108 - 114
114 - 120
120 - 126
No. of students
6
43
41
7
32
11
12
26
Question
17
17.
Scores of 136 students are given below.
Identify the class interval table for the given histogram.
(i)
Score
76 - 85
86 - 95
96 - 105
106 - 115
116 - 125
126 - 135
No. of students
13
18
32
9
44
24
(ii)
Score
76 - 85
86 - 95
96 - 105
106 - 115
116 - 125
126 - 135
No. of students
13
32
18
5
44
24
(iii)
Score
76 - 85
86 - 95
96 - 105
106 - 115
116 - 125
126 - 135
No. of students
13
24
32
5
44
18
(iv)
Score
76 - 85
86 - 95
96 - 105
106 - 115
116 - 125
126 - 135
No. of students
13
18
27
5
44
24
(v)
Score
76 - 85
86 - 95
96 - 105
106 - 115
116 - 125
126 - 135
No. of students
13
18
32
5
44
24
Question
18
18.
Rainfall of 120 days (in mm) are given below.
Identify the class interval table for the given histogram.
(i)
Rainfall (in mm)
15 - 25
25 - 35
35 - 45
45 - 55
55 - 65
65 - 75
75 - 85
No. of days
16
36
27
11
5
17
8
(ii)
Rainfall (in mm)
15 - 25
25 - 35
35 - 45
45 - 55
55 - 65
65 - 75
75 - 85
No. of days
16
27
36
11
5
17
8
(iii)
Rainfall (in mm)
15 - 25
25 - 35
35 - 45
45 - 55
55 - 65
65 - 75
75 - 85
No. of days
16
36
25
11
5
17
8
(iv)
Rainfall (in mm)
15 - 25
25 - 35
35 - 45
45 - 55
55 - 65
65 - 75
75 - 85
No. of days
16
8
27
11
5
17
36
(v)
Rainfall (in mm)
15 - 25
25 - 35
35 - 45
45 - 55
55 - 65
65 - 75
75 - 85
No. of days
16
36
27
8
5
17
8
Question
19
19.
Rainfall of 211 days (in mm) are given below.
Identify the class interval table for the given histogram.
(i)
Rainfall (in mm)
12 - 18
19 - 25
26 - 32
33 - 39
40 - 46
47 - 53
54 - 60
No. of days
35
15
14
43
15
41
45
(ii)
Rainfall (in mm)
12 - 18
19 - 25
26 - 32
33 - 39
40 - 46
47 - 53
54 - 60
No. of days
35
17
15
43
15
41
45
(iii)
Rainfall (in mm)
12 - 18
19 - 25
26 - 32
33 - 39
40 - 46
47 - 53
54 - 60
No. of days
35
45
17
43
15
41
15
(iv)
Rainfall (in mm)
12 - 18
19 - 25
26 - 32
33 - 39
40 - 46
47 - 53
54 - 60
No. of days
35
15
17
46
15
41
45
(v)
Rainfall (in mm)
12 - 18
19 - 25
26 - 32
33 - 39
40 - 46
47 - 53
54 - 60
No. of days
35
15
17
43
15
41
45
Question
20
20.
Temperatures of 110 days (in °C) are given below.
Identify the class interval table for the given histogram.
(i)
Temperature (in degree)
28 - 34
34 - 40
40 - 46
46 - 52
52 - 58
No. of days
14
30
14
28
24
(ii)
Temperature (in degree)
28 - 34
34 - 40
40 - 46
46 - 52
52 - 58
No. of days
14
14
30
28
24
(iii)
Temperature (in degree)
28 - 34
34 - 40
40 - 46
46 - 52
52 - 58
No. of days
14
30
9
28
24
(iv)
Temperature (in degree)
28 - 34
34 - 40
40 - 46
46 - 52
52 - 58
No. of days
14
27
14
28
24
(v)
Temperature (in degree)
28 - 34
34 - 40
40 - 46
46 - 52
52 - 58
No. of days
14
24
14
28
30
Question
21
21.
Temperatures of 189 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
69 - 76
No. of days
43
10
30
47
43
16
(ii)
Temperature (in degree)
29 - 36
37 - 44
45 - 52
53 - 60
61 - 68
69 - 76
No. of days
43
30
10
51
43
16
(iii)
Temperature (in degree)
29 - 36
37 - 44
45 - 52
53 - 60
61 - 68
69 - 76
No. of days
43
30
10
47
43
16
(iv)
Temperature (in degree)
29 - 36
37 - 44
45 - 52
53 - 60
61 - 68
69 - 76
No. of days
43
30
13
47
43
16
(v)
Temperature (in degree)
29 - 36
37 - 44
45 - 52
53 - 60
61 - 68
69 - 76
No. of days
43
16
10
47
43
30
Question
22
22.
Weights of 166 students (in kg) are given below.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
42 - 52
52 - 62
62 - 72
72 - 82
82 - 92
92 - 102
No. of students
6
29
17
35
33
41
(ii)
Weight (in kg)
42 - 52
52 - 62
62 - 72
72 - 82
82 - 92
92 - 102
No. of students
6
17
29
40
33
41
(iii)
Weight (in kg)
42 - 52
52 - 62
62 - 72
72 - 82
82 - 92
92 - 102
No. of students
6
29
17
40
33
41
(iv)
Weight (in kg)
42 - 52
52 - 62
62 - 72
72 - 82
82 - 92
92 - 102
No. of students
6
29
20
40
33
41
(v)
Weight (in kg)
42 - 52
52 - 62
62 - 72
72 - 82
82 - 92
92 - 102
No. of students
6
41
17
40
33
29
Question
23
23.
Weights of 150 students (in kg) are given below.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
50 - 59
60 - 69
70 - 79
80 - 89
90 - 99
No. of students
7
48
31
33
31
(ii)
Weight (in kg)
50 - 59
60 - 69
70 - 79
80 - 89
90 - 99
No. of students
7
48
27
33
31
(iii)
Weight (in kg)
50 - 59
60 - 69
70 - 79
80 - 89
90 - 99
No. of students
7
31
31
33
48
(iv)
Weight (in kg)
50 - 59
60 - 69
70 - 79
80 - 89
90 - 99
No. of students
7
31
48
33
31
(v)
Weight (in kg)
50 - 59
60 - 69
70 - 79
80 - 89
90 - 99
No. of students
7
43
31
33
31
Question
24
24.
Daily wages of 232 labourers (in ₹) are given below.
Identify the class interval table for the given histogram.
(i)
Daily wage (in Rs)
215 - 221
221 - 227
227 - 233
233 - 239
239 - 245
245 - 251
251 - 257
No. of labourers
24
28
37
32
35
37
36
(ii)
Daily wage (in Rs)
215 - 221
221 - 227
227 - 233
233 - 239
239 - 245
245 - 251
251 - 257
No. of labourers
24
28
35
35
35
37
36
(iii)
Daily wage (in Rs)
215 - 221
221 - 227
227 - 233
233 - 239
239 - 245
245 - 251
251 - 257
No. of labourers
24
28
37
35
35
37
36
(iv)
Daily wage (in Rs)
215 - 221
221 - 227
227 - 233
233 - 239
239 - 245
245 - 251
251 - 257
No. of labourers
24
37
28
35
35
37
36
(v)
Daily wage (in Rs)
215 - 221
221 - 227
227 - 233
233 - 239
239 - 245
245 - 251
251 - 257
No. of labourers
24
36
37
35
35
37
28
Question
25
25.
Daily wages of 187 labourers (in ₹) are given below.
Identify the class interval table for the given histogram.
(i)
Daily wage (in Rs)
273 - 279
280 - 286
287 - 293
294 - 300
301 - 307
308 - 314
No. of labourers
32
15
32
42
19
44
(ii)
Daily wage (in Rs)
273 - 279
280 - 286
287 - 293
294 - 300
301 - 307
308 - 314
No. of labourers
32
15
35
42
19
44
(iii)
Daily wage (in Rs)
273 - 279
280 - 286
287 - 293
294 - 300
301 - 307
308 - 314
No. of labourers
32
35
15
42
19
44
(iv)
Daily wage (in Rs)
273 - 279
280 - 286
287 - 293
294 - 300
301 - 307
308 - 314
No. of labourers
32
15
35
46
19
44
(v)
Daily wage (in Rs)
273 - 279
280 - 286
287 - 293
294 - 300
301 - 307
308 - 314
No. of labourers
32
44
35
42
19
15
Assignment Key
1) (iii)
2) (iv)
3) (iii)
4) (ii)
5) (ii)
6) (iii)
7) (ii)
8) (i)
9) (ii)
10) (v)
11) (v)
12) (v)
13) (i)
14) (v)
15) (ii)
16) (i)
17) (v)
18) (i)
19) (v)
20) (i)
21) (iii)
22) (iii)
23) (i)
24) (iii)
25) (ii)
