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 - 123
123 - 125
125 - 127
127 - 129
129 - 131
131 - 133
Frequency
76
77
51
134
126
110
(ii)
Class-Interval
121 - 123
123 - 125
125 - 127
127 - 129
129 - 131
131 - 133
Frequency
76
77
47
136
126
110
(iii)
Class-Interval
121 - 123
123 - 125
125 - 127
127 - 129
129 - 131
131 - 133
Frequency
76
77
47
134
126
110
(iv)
Class-Interval
121 - 123
123 - 125
125 - 127
127 - 129
129 - 131
131 - 133
Frequency
76
110
47
134
126
77
(v)
Class-Interval
121 - 123
123 - 125
125 - 127
127 - 129
129 - 131
131 - 133
Frequency
76
47
77
134
126
110
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)
26 - 29
29 - 32
32 - 35
35 - 38
38 - 41
No. of Patients
12
11
18
30
35
(ii)
Age (in years)
26 - 29
29 - 32
32 - 35
35 - 38
38 - 41
No. of Patients
12
14
15
30
35
(iii)
Age (in years)
26 - 29
29 - 32
32 - 35
35 - 38
38 - 41
No. of Patients
12
15
11
30
35
(iv)
Age (in years)
26 - 29
29 - 32
32 - 35
35 - 38
38 - 41
No. of Patients
12
11
15
30
35
(v)
Age (in years)
26 - 29
29 - 32
32 - 35
35 - 38
38 - 41
No. of Patients
12
35
15
30
11
Question
3
3.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
28 - 33
33 - 38
38 - 43
43 - 48
48 - 53
53 - 58
No. of students
25
30
25
21
9
21
(ii)
Weight (in kg)
28 - 33
33 - 38
38 - 43
43 - 48
48 - 53
53 - 58
No. of students
25
25
30
24
9
21
(iii)
Weight (in kg)
28 - 33
33 - 38
38 - 43
43 - 48
48 - 53
53 - 58
No. of students
25
25
30
21
9
21
(iv)
Weight (in kg)
28 - 33
33 - 38
38 - 43
43 - 48
48 - 53
53 - 58
No. of students
25
21
30
21
9
25
(v)
Weight (in kg)
28 - 33
33 - 38
38 - 43
43 - 48
48 - 53
53 - 58
No. of students
25
25
28
21
9
21
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)
mid values of the class
(ii)
number of classes
(iii)
frequency 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 length and width of each rectangle are in proportion
(iv)
the lengths of all rectangles are equal
Question
7
7.
Identify the class interval table for the given histogram.
(i)
Class-Interval
147 - 150
151 - 154
155 - 158
159 - 162
163 - 166
167 - 170
171 - 174
175 - 178
Frequency
83
65
103
99
115
67
126
55
(ii)
Class-Interval
147 - 150
151 - 154
155 - 158
159 - 162
163 - 166
167 - 170
171 - 174
175 - 178
Frequency
83
55
99
103
115
67
126
65
(iii)
Class-Interval
147 - 150
151 - 154
155 - 158
159 - 162
163 - 166
167 - 170
171 - 174
175 - 178
Frequency
83
65
102
103
115
67
126
55
(iv)
Class-Interval
147 - 150
151 - 154
155 - 158
159 - 162
163 - 166
167 - 170
171 - 174
175 - 178
Frequency
83
65
99
103
115
67
126
55
(v)
Class-Interval
147 - 150
151 - 154
155 - 158
159 - 162
163 - 166
167 - 170
171 - 174
175 - 178
Frequency
83
65
99
103
117
67
126
55
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)
20 - 22
23 - 25
26 - 28
29 - 31
32 - 34
35 - 37
38 - 40
41 - 43
No. of Patients
41
30
46
50
10
39
25
49
(ii)
Age (in years)
20 - 22
23 - 25
26 - 28
29 - 31
32 - 34
35 - 37
38 - 40
41 - 43
No. of Patients
41
30
46
50
13
39
25
49
(iii)
Age (in years)
20 - 22
23 - 25
26 - 28
29 - 31
32 - 34
35 - 37
38 - 40
41 - 43
No. of Patients
41
30
50
46
10
39
25
49
(iv)
Age (in years)
20 - 22
23 - 25
26 - 28
29 - 31
32 - 34
35 - 37
38 - 40
41 - 43
No. of Patients
41
30
51
50
10
39
25
49
(v)
Age (in years)
20 - 22
23 - 25
26 - 28
29 - 31
32 - 34
35 - 37
38 - 40
41 - 43
No. of Patients
41
49
46
50
10
39
25
30
Question
9
9.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
20 - 22
23 - 25
26 - 28
29 - 31
32 - 34
No. of students
17
8
15
16
27
(ii)
Weight (in kg)
20 - 22
23 - 25
26 - 28
29 - 31
32 - 34
No. of students
17
27
17
16
8
(iii)
Weight (in kg)
20 - 22
23 - 25
26 - 28
29 - 31
32 - 34
No. of students
17
8
17
16
27
(iv)
Weight (in kg)
20 - 22
23 - 25
26 - 28
29 - 31
32 - 34
No. of students
17
5
17
16
27
(v)
Weight (in kg)
20 - 22
23 - 25
26 - 28
29 - 31
32 - 34
No. of students
17
17
8
16
27
Question
10
10.
Heights of 200 students (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
120 - 130
130 - 140
140 - 150
150 - 160
160 - 170
170 - 180
No. of students
39
38
25
47
11
40
(ii)
Height (in cm)
120 - 130
130 - 140
140 - 150
150 - 160
160 - 170
170 - 180
No. of students
39
38
20
47
11
40
(iii)
Height (in cm)
120 - 130
130 - 140
140 - 150
150 - 160
160 - 170
170 - 180
No. of students
39
40
25
47
11
38
(iv)
Height (in cm)
120 - 130
130 - 140
140 - 150
150 - 160
160 - 170
170 - 180
No. of students
39
25
38
47
11
40
(v)
Height (in cm)
120 - 130
130 - 140
140 - 150
150 - 160
160 - 170
170 - 180
No. of students
39
38
25
45
11
40
Question
11
11.
Heights of 140 students (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
128 - 138
139 - 149
150 - 160
161 - 171
172 - 182
183 - 193
No. of students
34
22
8
22
42
12
(ii)
Height (in cm)
128 - 138
139 - 149
150 - 160
161 - 171
172 - 182
183 - 193
No. of students
34
12
22
22
42
8
(iii)
Height (in cm)
128 - 138
139 - 149
150 - 160
161 - 171
172 - 182
183 - 193
No. of students
34
8
26
22
42
12
(iv)
Height (in cm)
128 - 138
139 - 149
150 - 160
161 - 171
172 - 182
183 - 193
No. of students
34
8
22
22
42
12
(v)
Height (in cm)
128 - 138
139 - 149
150 - 160
161 - 171
172 - 182
183 - 193
No. of students
34
8
22
20
42
12
Question
12
12.
Heights of 130 plants (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
60 - 70
70 - 80
80 - 90
90 - 100
100 - 110
No. of plants
19
44
22
32
13
(ii)
Height (in cm)
60 - 70
70 - 80
80 - 90
90 - 100
100 - 110
No. of plants
19
22
13
32
44
(iii)
Height (in cm)
60 - 70
70 - 80
80 - 90
90 - 100
100 - 110
No. of plants
19
13
22
32
44
(iv)
Height (in cm)
60 - 70
70 - 80
80 - 90
90 - 100
100 - 110
No. of plants
19
9
22
32
44
(v)
Height (in cm)
60 - 70
70 - 80
80 - 90
90 - 100
100 - 110
No. of plants
19
13
25
32
44
Question
13
13.
Heights of 206 plants (in cm) are given below.
Identify the class interval table for the given histogram.
(i)
Height (in cm)
70 - 78
79 - 87
88 - 96
97 - 105
106 - 114
115 - 123
124 - 132
No. of plants
31
8
4
25
45
43
46
(ii)
Height (in cm)
70 - 78
79 - 87
88 - 96
97 - 105
106 - 114
115 - 123
124 - 132
No. of plants
31
8
8
30
45
43
46
(iii)
Height (in cm)
70 - 78
79 - 87
88 - 96
97 - 105
106 - 114
115 - 123
124 - 132
No. of plants
31
8
8
25
45
43
46
(iv)
Height (in cm)
70 - 78
79 - 87
88 - 96
97 - 105
106 - 114
115 - 123
124 - 132
No. of plants
31
46
8
25
45
43
8
Question
14
14.
Ages of 130 students (in years) are given below.
Identify the class interval table for the given histogram.
(i)
Age (in years)
15 - 23
23 - 31
31 - 39
39 - 47
47 - 55
55 - 63
No. of students
14
8
21
20
22
45
(ii)
Age (in years)
15 - 23
23 - 31
31 - 39
39 - 47
47 - 55
55 - 63
No. of students
14
8
24
20
22
45
(iii)
Age (in years)
15 - 23
23 - 31
31 - 39
39 - 47
47 - 55
55 - 63
No. of students
14
21
8
20
22
45
(iv)
Age (in years)
15 - 23
23 - 31
31 - 39
39 - 47
47 - 55
55 - 63
No. of students
14
8
21
15
22
45
(v)
Age (in years)
15 - 23
23 - 31
31 - 39
39 - 47
47 - 55
55 - 63
No. of students
14
45
21
20
22
8
Question
15
15.
Ages of 144 students (in years) are given below.
Identify the class interval table for the given histogram.
(i)
Age (in years)
10 - 16
17 - 23
24 - 30
31 - 37
38 - 44
45 - 51
No. of students
33
14
39
29
9
20
(ii)
Age (in years)
10 - 16
17 - 23
24 - 30
31 - 37
38 - 44
45 - 51
No. of students
33
39
14
29
9
20
(iii)
Age (in years)
10 - 16
17 - 23
24 - 30
31 - 37
38 - 44
45 - 51
No. of students
33
14
39
33
9
20
(iv)
Age (in years)
10 - 16
17 - 23
24 - 30
31 - 37
38 - 44
45 - 51
No. of students
33
14
37
29
9
20
(v)
Age (in years)
10 - 16
17 - 23
24 - 30
31 - 37
38 - 44
45 - 51
No. of students
33
20
39
29
9
14
Question
16
16.
Scores of 103 students are given below.
Identify the class interval table for the given histogram.
(i)
Score
86 - 94
94 - 102
102 - 110
110 - 118
118 - 126
126 - 134
No. of students
10
40
17
6
18
12
(ii)
Score
86 - 94
94 - 102
102 - 110
110 - 118
118 - 126
126 - 134
No. of students
10
12
12
6
18
40
(iii)
Score
86 - 94
94 - 102
102 - 110
110 - 118
118 - 126
126 - 134
No. of students
10
12
17
4
18
40
(iv)
Score
86 - 94
94 - 102
102 - 110
110 - 118
118 - 126
126 - 134
No. of students
10
12
17
6
18
40
(v)
Score
86 - 94
94 - 102
102 - 110
110 - 118
118 - 126
126 - 134
No. of students
10
17
12
6
18
40
Question
17
17.
Scores of 120 students are given below.
Identify the class interval table for the given histogram.
(i)
Score
70 - 77
78 - 85
86 - 93
94 - 101
102 - 109
No. of students
24
31
46
12
7
(ii)
Score
70 - 77
78 - 85
86 - 93
94 - 101
102 - 109
No. of students
24
7
49
12
31
(iii)
Score
70 - 77
78 - 85
86 - 93
94 - 101
102 - 109
No. of students
24
7
46
12
31
(iv)
Score
70 - 77
78 - 85
86 - 93
94 - 101
102 - 109
No. of students
24
5
46
12
31
(v)
Score
70 - 77
78 - 85
86 - 93
94 - 101
102 - 109
No. of students
24
46
7
12
31
Question
18
18.
Rainfall of 209 days (in mm) are given below.
Identify the class interval table for the given histogram.
(i)
Rainfall (in mm)
6 - 13
13 - 20
20 - 27
27 - 34
34 - 41
41 - 48
48 - 55
55 - 62
No. of days
34
15
16
32
24
10
33
43
(ii)
Rainfall (in mm)
6 - 13
13 - 20
20 - 27
27 - 34
34 - 41
41 - 48
48 - 55
55 - 62
No. of days
34
15
18
32
24
10
33
43
(iii)
Rainfall (in mm)
6 - 13
13 - 20
20 - 27
27 - 34
34 - 41
41 - 48
48 - 55
55 - 62
No. of days
34
43
18
32
24
10
33
15
(iv)
Rainfall (in mm)
6 - 13
13 - 20
20 - 27
27 - 34
34 - 41
41 - 48
48 - 55
55 - 62
No. of days
34
15
32
18
24
10
33
43
(v)
Rainfall (in mm)
6 - 13
13 - 20
20 - 27
27 - 34
34 - 41
41 - 48
48 - 55
55 - 62
No. of days
34
15
18
32
28
10
33
43
Question
19
19.
Rainfall of 236 days (in mm) are given below.
Identify the class interval table for the given histogram.
(i)
Rainfall (in mm)
12 - 22
23 - 33
34 - 44
45 - 55
56 - 66
67 - 77
78 - 88
89 - 99
No. of days
44
18
19
27
26
14
43
45
(ii)
Rainfall (in mm)
12 - 22
23 - 33
34 - 44
45 - 55
56 - 66
67 - 77
78 - 88
89 - 99
No. of days
44
18
27
19
26
14
43
45
(iii)
Rainfall (in mm)
12 - 22
23 - 33
34 - 44
45 - 55
56 - 66
67 - 77
78 - 88
89 - 99
No. of days
44
45
27
19
26
14
43
18
(iv)
Rainfall (in mm)
12 - 22
23 - 33
34 - 44
45 - 55
56 - 66
67 - 77
78 - 88
89 - 99
No. of days
44
18
27
19
22
14
43
45
(v)
Rainfall (in mm)
12 - 22
23 - 33
34 - 44
45 - 55
56 - 66
67 - 77
78 - 88
89 - 99
No. of days
44
18
30
19
26
14
43
45
Question
20
20.
Temperatures of 200 days (in °C) are given below.
Identify the class interval table for the given histogram.
(i)
Temperature (in degree)
27 - 32
32 - 37
37 - 42
42 - 47
47 - 52
52 - 57
57 - 62
62 - 67
No. of days
49
17
4
32
27
14
7
47
(ii)
Temperature (in degree)
27 - 32
32 - 37
37 - 42
42 - 47
47 - 52
52 - 57
57 - 62
62 - 67
No. of days
49
17
7
32
22
14
7
47
(iii)
Temperature (in degree)
27 - 32
32 - 37
37 - 42
42 - 47
47 - 52
52 - 57
57 - 62
62 - 67
No. of days
49
17
32
7
27
14
7
47
(iv)
Temperature (in degree)
27 - 32
32 - 37
37 - 42
42 - 47
47 - 52
52 - 57
57 - 62
62 - 67
No. of days
49
17
7
32
27
14
7
47
(v)
Temperature (in degree)
27 - 32
32 - 37
37 - 42
42 - 47
47 - 52
52 - 57
57 - 62
62 - 67
No. of days
49
47
7
32
27
14
7
17
Question
21
21.
Temperatures of 200 days (in °C) are given below.
Identify the class interval table for the given histogram.
(i)
Temperature (in degree)
26 - 31
32 - 37
38 - 43
44 - 49
50 - 55
56 - 61
62 - 67
68 - 73
No. of days
11
30
44
13
43
35
6
18
(ii)
Temperature (in degree)
26 - 31
32 - 37
38 - 43
44 - 49
50 - 55
56 - 61
62 - 67
68 - 73
No. of days
11
18
13
44
43
35
6
30
(iii)
Temperature (in degree)
26 - 31
32 - 37
38 - 43
44 - 49
50 - 55
56 - 61
62 - 67
68 - 73
No. of days
11
30
13
44
43
35
6
18
(iv)
Temperature (in degree)
26 - 31
32 - 37
38 - 43
44 - 49
50 - 55
56 - 61
62 - 67
68 - 73
No. of days
11
30
13
44
39
35
6
18
(v)
Temperature (in degree)
26 - 31
32 - 37
38 - 43
44 - 49
50 - 55
56 - 61
62 - 67
68 - 73
No. of days
11
30
18
44
43
35
6
18
Question
22
22.
Weights of 113 students (in kg) are given below.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
41 - 51
51 - 61
61 - 71
71 - 81
81 - 91
91 - 101
101 - 111
No. of students
8
16
11
16
15
29
13
(ii)
Weight (in kg)
41 - 51
51 - 61
61 - 71
71 - 81
81 - 91
91 - 101
101 - 111
No. of students
8
13
16
16
15
29
16
(iii)
Weight (in kg)
41 - 51
51 - 61
61 - 71
71 - 81
81 - 91
91 - 101
101 - 111
No. of students
8
16
16
16
15
29
13
(iv)
Weight (in kg)
41 - 51
51 - 61
61 - 71
71 - 81
81 - 91
91 - 101
101 - 111
No. of students
8
16
16
12
15
29
13
Question
23
23.
Weights of 123 students (in kg) are given below.
Identify the class interval table for the given histogram.
(i)
Weight (in kg)
47 - 52
53 - 58
59 - 64
65 - 70
71 - 76
77 - 82
No. of students
25
32
12
6
25
23
(ii)
Weight (in kg)
47 - 52
53 - 58
59 - 64
65 - 70
71 - 76
77 - 82
No. of students
25
23
12
4
25
32
(iii)
Weight (in kg)
47 - 52
53 - 58
59 - 64
65 - 70
71 - 76
77 - 82
No. of students
25
12
23
6
25
32
(iv)
Weight (in kg)
47 - 52
53 - 58
59 - 64
65 - 70
71 - 76
77 - 82
No. of students
25
23
15
6
25
32
(v)
Weight (in kg)
47 - 52
53 - 58
59 - 64
65 - 70
71 - 76
77 - 82
No. of students
25
23
12
6
25
32
Question
24
24.
Daily wages of 202 labourers (in ₹) are given below.
Identify the class interval table for the given histogram.
(i)
Daily wage (in Rs)
200 - 206
206 - 212
212 - 218
218 - 224
224 - 230
230 - 236
No. of labourers
19
48
51
46
35
5
(ii)
Daily wage (in Rs)
200 - 206
206 - 212
212 - 218
218 - 224
224 - 230
230 - 236
No. of labourers
19
48
49
43
35
5
(iii)
Daily wage (in Rs)
200 - 206
206 - 212
212 - 218
218 - 224
224 - 230
230 - 236
No. of labourers
19
5
49
46
35
48
(iv)
Daily wage (in Rs)
200 - 206
206 - 212
212 - 218
218 - 224
224 - 230
230 - 236
No. of labourers
19
49
48
46
35
5
(v)
Daily wage (in Rs)
200 - 206
206 - 212
212 - 218
218 - 224
224 - 230
230 - 236
No. of labourers
19
48
49
46
35
5
Question
25
25.
Daily wages of 155 labourers (in ₹) are given below.
Identify the class interval table for the given histogram.
(i)
Daily wage (in Rs)
241 - 247
248 - 254
255 - 261
262 - 268
269 - 275
276 - 282
No. of labourers
34
28
24
22
7
42
(ii)
Daily wage (in Rs)
241 - 247
248 - 254
255 - 261
262 - 268
269 - 275
276 - 282
No. of labourers
34
42
22
22
7
28
(iii)
Daily wage (in Rs)
241 - 247
248 - 254
255 - 261
262 - 268
269 - 275
276 - 282
No. of labourers
34
22
28
22
7
42
(iv)
Daily wage (in Rs)
241 - 247
248 - 254
255 - 261
262 - 268
269 - 275
276 - 282
No. of labourers
34
28
22
18
7
42
(v)
Daily wage (in Rs)
241 - 247
248 - 254
255 - 261
262 - 268
269 - 275
276 - 282
No. of labourers
34
28
22
22
7
42
Assignment Key
1) (iii)
2) (iv)
3) (iii)
4) (ii)
5) (iv)
6) (i)
7) (iv)
8) (i)
9) (iii)
10) (i)
11) (iv)
12) (iii)
13) (iii)
14) (i)
15) (i)
16) (iv)
17) (iii)
18) (ii)
19) (ii)
20) (iv)
21) (iii)
22) (iii)
23) (v)
24) (v)
25) (v)
