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
65 - 70
70 - 75
75 - 80
80 - 85
85 - 90
90 - 95
95 - 100
100 - 105
Frequency
122
133
91
130
66
144
66
16
(ii)
Class-Interval
65 - 70
70 - 75
75 - 80
80 - 85
85 - 90
90 - 95
95 - 100
100 - 105
Frequency
122
16
88
130
66
144
66
133
(iii)
Class-Interval
65 - 70
70 - 75
75 - 80
80 - 85
85 - 90
90 - 95
95 - 100
100 - 105
Frequency
122
133
130
88
66
144
66
16
(iv)
Class-Interval
65 - 70
70 - 75
75 - 80
80 - 85
85 - 90
90 - 95
95 - 100
100 - 105
Frequency
122
133
88
130
66
144
66
16
(v)
Class-Interval
65 - 70
70 - 75
75 - 80
80 - 85
85 - 90
90 - 95
95 - 100
100 - 105
Frequency
122
133
88
130
70
144
66
16
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)
81 - 84
84 - 87
87 - 90
90 - 93
93 - 96
96 - 99
No. of Patients
39
35
12
43
43
37
(ii)
Age (in years)
81 - 84
84 - 87
87 - 90
90 - 93
93 - 96
96 - 99
No. of Patients
39
12
35
43
43
37
(iii)
Age (in years)
81 - 84
84 - 87
87 - 90
90 - 93
93 - 96
96 - 99
No. of Patients
39
35
12
47
43
37
(iv)
Age (in years)
81 - 84
84 - 87
87 - 90
90 - 93
93 - 96
96 - 99
No. of Patients
39
37
12
43
43
35
(v)
Age (in years)
81 - 84
84 - 87
87 - 90
90 - 93
93 - 96
96 - 99
No. of Patients
39
35
10
43
43
37
Question
3
3.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
40 - 44
44 - 48
48 - 52
52 - 56
56 - 60
60 - 64
64 - 68
68 - 72
No. of students
26
8
15
9
29
17
5
12
(ii)
Weight (in kg)
40 - 44
44 - 48
48 - 52
52 - 56
56 - 60
60 - 64
64 - 68
68 - 72
No. of students
26
8
5
15
29
17
5
12
(iii)
Weight (in kg)
40 - 44
44 - 48
48 - 52
52 - 56
56 - 60
60 - 64
64 - 68
68 - 72
No. of students
26
12
9
15
29
17
5
8
(iv)
Weight (in kg)
40 - 44
44 - 48
48 - 52
52 - 56
56 - 60
60 - 64
64 - 68
68 - 72
No. of students
26
8
9
15
34
17
5
12
(v)
Weight (in kg)
40 - 44
44 - 48
48 - 52
52 - 56
56 - 60
60 - 64
64 - 68
68 - 72
No. of students
26
8
9
15
29
17
5
12
Question
4
4.
A histogram consists of
(i)
squares
(ii)
rectangles
(iii)
sectors
(iv)
triangles
Question
5
5.
The width of the rectangles in a histogram represents
(i)
class interval
(ii)
number of classes
(iii)
mid values of the class
(iv)
frequency of the class
Question
6
6.
In a histogram
(i)
the lengths of all rectangles are equal
(ii)
the lengths and widths of all rectangles are equal
(iii)
the length and width of each rectangle are in proportion
(iv)
the width of all rectangles are equal
Question
7
7.
Identify the class interval table for the given histogram.
(i)
Class-Interval
73 - 76
77 - 80
81 - 84
85 - 88
89 - 92
Frequency
124
93
91
88
126
(ii)
Class-Interval
73 - 76
77 - 80
81 - 84
85 - 88
89 - 92
Frequency
124
126
94
88
93
(iii)
Class-Interval
73 - 76
77 - 80
81 - 84
85 - 88
89 - 92
Frequency
124
93
94
88
126
(iv)
Class-Interval
73 - 76
77 - 80
81 - 84
85 - 88
89 - 92
Frequency
124
94
93
88
126
(v)
Class-Interval
73 - 76
77 - 80
81 - 84
85 - 88
89 - 92
Frequency
124
89
94
88
126
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 - 64
65 - 67
68 - 70
71 - 73
74 - 76
77 - 79
80 - 82
83 - 85
No. of Patients
38
26
24
19
29
39
27
29
(ii)
Age (in years)
62 - 64
65 - 67
68 - 70
71 - 73
74 - 76
77 - 79
80 - 82
83 - 85
No. of Patients
38
29
27
19
29
39
27
26
(iii)
Age (in years)
62 - 64
65 - 67
68 - 70
71 - 73
74 - 76
77 - 79
80 - 82
83 - 85
No. of Patients
38
26
27
19
29
39
27
29
(iv)
Age (in years)
62 - 64
65 - 67
68 - 70
71 - 73
74 - 76
77 - 79
80 - 82
83 - 85
No. of Patients
38
26
27
19
31
39
27
29
(v)
Age (in years)
62 - 64
65 - 67
68 - 70
71 - 73
74 - 76
77 - 79
80 - 82
83 - 85
No. of Patients
38
26
19
27
29
39
27
29
Question
9
9.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
28 - 30
31 - 33
34 - 36
37 - 39
40 - 42
43 - 45
46 - 48
49 - 51
No. of students
22
14
19
29
28
20
26
20
(ii)
Weight (in kg)
28 - 30
31 - 33
34 - 36
37 - 39
40 - 42
43 - 45
46 - 48
49 - 51
No. of students
22
14
19
29
31
20
26
20
(iii)
Weight (in kg)
28 - 30
31 - 33
34 - 36
37 - 39
40 - 42
43 - 45
46 - 48
49 - 51
No. of students
22
14
29
19
28
20
26
20
(iv)
Weight (in kg)
28 - 30
31 - 33
34 - 36
37 - 39
40 - 42
43 - 45
46 - 48
49 - 51
No. of students
22
20
19
29
28
20
26
14
(v)
Weight (in kg)
28 - 30
31 - 33
34 - 36
37 - 39
40 - 42
43 - 45
46 - 48
49 - 51
No. of students
22
14
17
29
28
20
26
20
Question
10
10.
Heights of 195 students (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
120 - 126
126 - 132
132 - 138
138 - 144
144 - 150
150 - 156
156 - 162
No. of students
31
33
32
43
37
13
6
(ii)
Height (in cm)
120 - 126
126 - 132
132 - 138
138 - 144
144 - 150
150 - 156
156 - 162
No. of students
31
6
33
43
37
13
32
(iii)
Height (in cm)
120 - 126
126 - 132
132 - 138
138 - 144
144 - 150
150 - 156
156 - 162
No. of students
31
32
33
43
37
13
6
(iv)
Height (in cm)
120 - 126
126 - 132
132 - 138
138 - 144
144 - 150
150 - 156
156 - 162
No. of students
31
32
33
48
37
13
6
(v)
Height (in cm)
120 - 126
126 - 132
132 - 138
138 - 144
144 - 150
150 - 156
156 - 162
No. of students
31
32
38
43
37
13
6
Question
11
11.
Heights of 109 students (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
123 - 130
131 - 138
139 - 146
147 - 154
155 - 162
No. of students
29
12
10
13
45
(ii)
Height (in cm)
123 - 130
131 - 138
139 - 146
147 - 154
155 - 162
No. of students
29
45
12
13
10
(iii)
Height (in cm)
123 - 130
131 - 138
139 - 146
147 - 154
155 - 162
No. of students
29
10
8
13
45
(iv)
Height (in cm)
123 - 130
131 - 138
139 - 146
147 - 154
155 - 162
No. of students
29
10
12
13
45
(v)
Height (in cm)
123 - 130
131 - 138
139 - 146
147 - 154
155 - 162
No. of students
29
14
12
13
45
Question
12
12.
Heights of 210 plants (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
55 - 62
62 - 69
69 - 76
76 - 83
83 - 90
No. of plants
41
42
50
37
40
(ii)
Height (in cm)
55 - 62
62 - 69
69 - 76
76 - 83
83 - 90
No. of plants
41
38
50
37
40
(iii)
Height (in cm)
55 - 62
62 - 69
69 - 76
76 - 83
83 - 90
No. of plants
41
42
52
37
40
(iv)
Height (in cm)
55 - 62
62 - 69
69 - 76
76 - 83
83 - 90
No. of plants
41
40
50
37
42
(v)
Height (in cm)
55 - 62
62 - 69
69 - 76
76 - 83
83 - 90
No. of plants
41
50
42
37
40
Question
13
13.
Heights of 171 plants (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
66 - 71
72 - 77
78 - 83
84 - 89
90 - 95
96 - 101
No. of plants
39
17
22
19
38
36
(ii)
Height (in cm)
66 - 71
72 - 77
78 - 83
84 - 89
90 - 95
96 - 101
No. of plants
39
36
22
19
38
17
(iii)
Height (in cm)
66 - 71
72 - 77
78 - 83
84 - 89
90 - 95
96 - 101
No. of plants
39
36
19
19
38
17
(iv)
Height (in cm)
66 - 71
72 - 77
78 - 83
84 - 89
90 - 95
96 - 101
No. of plants
39
22
36
19
38
17
(v)
Height (in cm)
66 - 71
72 - 77
78 - 83
84 - 89
90 - 95
96 - 101
No. of plants
39
36
22
23
38
17
Question
14
14.
Ages of 107 students (in years) are given below.
Identify the class interval table for the given histogram.
(i)
Age (in years)
14 - 20
20 - 26
26 - 32
32 - 38
38 - 44
44 - 50
No. of students
39
12
14
11
13
18
(ii)
Age (in years)
14 - 20
20 - 26
26 - 32
32 - 38
38 - 44
44 - 50
No. of students
39
18
14
11
13
12
(iii)
Age (in years)
14 - 20
20 - 26
26 - 32
32 - 38
38 - 44
44 - 50
No. of students
39
18
14
8
13
12
(iv)
Age (in years)
14 - 20
20 - 26
26 - 32
32 - 38
38 - 44
44 - 50
No. of students
39
14
18
11
13
12
(v)
Age (in years)
14 - 20
20 - 26
26 - 32
32 - 38
38 - 44
44 - 50
No. of students
39
18
16
11
13
12
Question
15
15.
Ages of 169 students (in years) are given below.
Identify the class interval table for the given histogram.
(i)
Age (in years)
15 - 25
26 - 36
37 - 47
48 - 58
59 - 69
70 - 80
81 - 91
No. of students
34
17
27
37
20
5
24
(ii)
Age (in years)
15 - 25
26 - 36
37 - 47
48 - 58
59 - 69
70 - 80
81 - 91
No. of students
34
27
17
42
20
5
24
(iii)
Age (in years)
15 - 25
26 - 36
37 - 47
48 - 58
59 - 69
70 - 80
81 - 91
No. of students
34
17
27
42
20
5
24
(iv)
Age (in years)
15 - 25
26 - 36
37 - 47
48 - 58
59 - 69
70 - 80
81 - 91
No. of students
34
17
25
42
20
5
24
(v)
Age (in years)
15 - 25
26 - 36
37 - 47
48 - 58
59 - 69
70 - 80
81 - 91
No. of students
34
24
27
42
20
5
17
Question
16
16.
Scores of 84 students are given below.
Identify the class interval table for the given histogram.
(i)
Score
88 - 98
98 - 108
108 - 118
118 - 128
128 - 138
No. of students
26
15
5
7
26
(ii)
Score
88 - 98
98 - 108
108 - 118
118 - 128
128 - 138
No. of students
26
12
10
7
26
(iii)
Score
88 - 98
98 - 108
108 - 118
118 - 128
128 - 138
No. of students
26
26
10
7
15
(iv)
Score
88 - 98
98 - 108
108 - 118
118 - 128
128 - 138
No. of students
26
10
15
7
26
(v)
Score
88 - 98
98 - 108
108 - 118
118 - 128
128 - 138
No. of students
26
15
10
7
26
Question
17
17.
Scores of 167 students are given below.
Identify the class interval table for the given histogram.
(i)
Score
73 - 83
84 - 94
95 - 105
106 - 116
117 - 127
128 - 138
No. of students
29
45
27
16
34
11
(ii)
Score
73 - 83
84 - 94
95 - 105
106 - 116
117 - 127
128 - 138
No. of students
29
11
27
21
34
45
(iii)
Score
73 - 83
84 - 94
95 - 105
106 - 116
117 - 127
128 - 138
No. of students
29
45
32
21
34
11
(iv)
Score
73 - 83
84 - 94
95 - 105
106 - 116
117 - 127
128 - 138
No. of students
29
27
45
21
34
11
(v)
Score
73 - 83
84 - 94
95 - 105
106 - 116
117 - 127
128 - 138
No. of students
29
45
27
21
34
11
Question
18
18.
Rainfall of 110 days (in mm) are given below.
Identify the class interval table for the given histogram.
(i)
Rainfall (in mm)
7 - 17
17 - 27
27 - 37
37 - 47
47 - 57
No. of days
32
16
9
27
26
(ii)
Rainfall (in mm)
7 - 17
17 - 27
27 - 37
37 - 47
47 - 57
No. of days
32
6
16
27
26
(iii)
Rainfall (in mm)
7 - 17
17 - 27
27 - 37
37 - 47
47 - 57
No. of days
32
9
16
27
26
(iv)
Rainfall (in mm)
7 - 17
17 - 27
27 - 37
37 - 47
47 - 57
No. of days
32
9
14
27
26
(v)
Rainfall (in mm)
7 - 17
17 - 27
27 - 37
37 - 47
47 - 57
No. of days
32
26
16
27
9
Question
19
19.
Rainfall of 135 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
38
20
20
6
11
7
29
(ii)
Rainfall (in mm)
15 - 24
25 - 34
35 - 44
45 - 54
55 - 64
65 - 74
75 - 84
No. of days
38
20
24
6
11
7
29
(iii)
Rainfall (in mm)
15 - 24
25 - 34
35 - 44
45 - 54
55 - 64
65 - 74
75 - 84
No. of days
38
20
24
4
11
7
29
(iv)
Rainfall (in mm)
15 - 24
25 - 34
35 - 44
45 - 54
55 - 64
65 - 74
75 - 84
No. of days
38
24
20
6
11
7
29
(v)
Rainfall (in mm)
15 - 24
25 - 34
35 - 44
45 - 54
55 - 64
65 - 74
75 - 84
No. of days
38
29
24
6
11
7
20
Question
20
20.
Temperatures of 115 days (in °C) are given below.
Identify the class interval table for the given histogram.
(i)
Temperature (in degree)
27 - 37
37 - 47
47 - 57
57 - 67
67 - 77
77 - 87
87 - 97
97 - 107
No. of days
20
5
15
33
9
6
14
13
(ii)
Temperature (in degree)
27 - 37
37 - 47
47 - 57
57 - 67
67 - 77
77 - 87
87 - 97
97 - 107
No. of days
20
5
19
33
9
6
14
13
(iii)
Temperature (in degree)
27 - 37
37 - 47
47 - 57
57 - 67
67 - 77
77 - 87
87 - 97
97 - 107
No. of days
20
5
15
33
5
6
14
13
(iv)
Temperature (in degree)
27 - 37
37 - 47
47 - 57
57 - 67
67 - 77
77 - 87
87 - 97
97 - 107
No. of days
20
5
33
15
9
6
14
13
(v)
Temperature (in degree)
27 - 37
37 - 47
47 - 57
57 - 67
67 - 77
77 - 87
87 - 97
97 - 107
No. of days
20
13
15
33
9
6
14
5
Question
21
21.
Temperatures of 202 days (in °C) are given below.
Identify the class interval table for the given histogram.
(i)
Temperature (in degree)
27 - 35
36 - 44
45 - 53
54 - 62
63 - 71
72 - 80
81 - 89
90 - 98
No. of days
16
39
41
14
26
11
33
22
(ii)
Temperature (in degree)
27 - 35
36 - 44
45 - 53
54 - 62
63 - 71
72 - 80
81 - 89
90 - 98
No. of days
16
39
41
14
29
11
33
22
(iii)
Temperature (in degree)
27 - 35
36 - 44
45 - 53
54 - 62
63 - 71
72 - 80
81 - 89
90 - 98
No. of days
16
22
41
14
26
11
33
39
(iv)
Temperature (in degree)
27 - 35
36 - 44
45 - 53
54 - 62
63 - 71
72 - 80
81 - 89
90 - 98
No. of days
16
39
38
14
26
11
33
22
(v)
Temperature (in degree)
27 - 35
36 - 44
45 - 53
54 - 62
63 - 71
72 - 80
81 - 89
90 - 98
No. of days
16
39
14
41
26
11
33
22
Question
22
22.
Weights of 249 students (in kg) are given below.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
52 - 59
59 - 66
66 - 73
73 - 80
80 - 87
87 - 94
94 - 101
No. of students
30
25
42
33
41
39
37
(ii)
Weight (in kg)
52 - 59
59 - 66
66 - 73
73 - 80
80 - 87
87 - 94
94 - 101
No. of students
30
37
44
33
41
39
25
(iii)
Weight (in kg)
52 - 59
59 - 66
66 - 73
73 - 80
80 - 87
87 - 94
94 - 101
No. of students
30
44
25
33
41
39
37
(iv)
Weight (in kg)
52 - 59
59 - 66
66 - 73
73 - 80
80 - 87
87 - 94
94 - 101
No. of students
30
25
44
35
41
39
37
(v)
Weight (in kg)
52 - 59
59 - 66
66 - 73
73 - 80
80 - 87
87 - 94
94 - 101
No. of students
30
25
44
33
41
39
37
Question
23
23.
Weights of 166 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
6
16
5
23
29
39
14
36
(ii)
Weight (in kg)
56 - 65
66 - 75
76 - 85
86 - 95
96 - 105
106 - 115
116 - 125
126 - 135
No. of students
6
16
9
23
27
39
14
36
(iii)
Weight (in kg)
56 - 65
66 - 75
76 - 85
86 - 95
96 - 105
106 - 115
116 - 125
126 - 135
No. of students
6
36
5
23
27
39
14
16
(iv)
Weight (in kg)
56 - 65
66 - 75
76 - 85
86 - 95
96 - 105
106 - 115
116 - 125
126 - 135
No. of students
6
16
5
23
27
39
14
36
(v)
Weight (in kg)
56 - 65
66 - 75
76 - 85
86 - 95
96 - 105
106 - 115
116 - 125
126 - 135
No. of students
6
16
23
5
27
39
14
36
Question
24
24.
Daily wages of 162 labourers (in ₹) are given below.
Identify the class interval table for the given histogram.
(i)
Daily wage (in Rs)
210 - 217
217 - 224
224 - 231
231 - 238
238 - 245
No. of labourers
43
35
36
17
29
(ii)
Daily wage (in Rs)
210 - 217
217 - 224
224 - 231
231 - 238
238 - 245
No. of labourers
43
29
38
17
35
(iii)
Daily wage (in Rs)
210 - 217
217 - 224
224 - 231
231 - 238
238 - 245
No. of labourers
43
38
35
17
29
(iv)
Daily wage (in Rs)
210 - 217
217 - 224
224 - 231
231 - 238
238 - 245
No. of labourers
43
35
38
17
29
(v)
Daily wage (in Rs)
210 - 217
217 - 224
224 - 231
231 - 238
238 - 245
No. of labourers
43
39
38
17
29
Question
25
25.
Daily wages of 173 labourers (in ₹) are given below.
Identify the class interval table for the given histogram.
(i)
Daily wage (in Rs)
249 - 254
255 - 260
261 - 266
267 - 272
273 - 278
No. of labourers
49
23
29
43
29
(ii)
Daily wage (in Rs)
249 - 254
255 - 260
261 - 266
267 - 272
273 - 278
No. of labourers
49
29
25
43
23
(iii)
Daily wage (in Rs)
249 - 254
255 - 260
261 - 266
267 - 272
273 - 278
No. of labourers
49
31
29
43
23
(iv)
Daily wage (in Rs)
249 - 254
255 - 260
261 - 266
267 - 272
273 - 278
No. of labourers
49
29
29
43
23
Assignment Key
1) (iv)
2) (i)
3) (v)
4) (ii)
5) (i)
6) (iv)
7) (iii)
8) (iii)
9) (i)
10) (iii)
11) (iv)
12) (i)
13) (ii)
14) (ii)
15) (iii)
16) (v)
17) (v)
18) (iii)
19) (ii)
20) (i)
21) (i)
22) (v)
23) (iv)
24) (iv)
25) (iv)
