EduSahara™ Assignment
Name : Frequency Polygon
Chapter : Graphical Representation of Statistical Data
Grade : ICSE Grade X
License : Non Commercial Use
Question
1
1.
Identify the class interval table for the given frequency polygon.
(i)
Class-Interval
20 - 30
31 - 41
42 - 52
53 - 63
64 - 74
75 - 85
Frequency
38
27
23
46
40
21
(ii)
Class-Interval
20 - 30
31 - 41
42 - 52
53 - 63
64 - 74
75 - 85
Frequency
38
27
19
46
40
21
(iii)
Class-Interval
20 - 30
31 - 41
42 - 52
53 - 63
64 - 74
75 - 85
Frequency
38
27
19
48
40
21
(iv)
Class-Interval
20 - 30
31 - 41
42 - 52
53 - 63
64 - 74
75 - 85
Frequency
38
19
27
46
40
21
(v)
Class-Interval
20 - 30
31 - 41
42 - 52
53 - 63
64 - 74
75 - 85
Frequency
38
21
19
46
40
27
Question
2
2.
Identify the class interval table for the given frequency polygon.
(i)
Class-Interval
50 - 54
54 - 58
58 - 62
62 - 66
66 - 70
70 - 74
74 - 78
Frequency
33
19
12
31
18
33
18
(ii)
Class-Interval
50 - 54
54 - 58
58 - 62
62 - 66
66 - 70
70 - 74
74 - 78
Frequency
33
19
14
31
18
33
18
(iii)
Class-Interval
50 - 54
54 - 58
58 - 62
62 - 66
66 - 70
70 - 74
74 - 78
Frequency
33
12
19
31
18
33
18
(iv)
Class-Interval
50 - 54
54 - 58
58 - 62
62 - 66
66 - 70
70 - 74
74 - 78
Frequency
33
19
12
33
18
33
18
(v)
Class-Interval
50 - 54
54 - 58
58 - 62
62 - 66
66 - 70
70 - 74
74 - 78
Frequency
33
18
12
31
18
33
19
Question
3
3.
Given frequency polygon showing the number of heart patients at various age groups, identify the class interval table.
(i)
Age (in years)
42 - 51
52 - 61
62 - 71
72 - 81
82 - 91
No. of heart patients
11
24
10
24
21
(ii)
Age (in years)
42 - 51
52 - 61
62 - 71
72 - 81
82 - 91
No. of heart patients
11
21
5
24
24
(iii)
Age (in years)
42 - 51
52 - 61
62 - 71
72 - 81
82 - 91
No. of heart patients
11
10
21
24
24
(iv)
Age (in years)
42 - 51
52 - 61
62 - 71
72 - 81
82 - 91
No. of heart patients
11
21
10
24
24
(v)
Age (in years)
42 - 51
52 - 61
62 - 71
72 - 81
82 - 91
No. of heart patients
11
16
10
24
24
Question
4
4.
Given frequency polygon showing the number of heart patients at various age groups, identify the class interval table.
(i)
Age (in years)
20 - 29
29 - 38
38 - 47
47 - 56
56 - 65
No. of heart patients
13
18
17
17
25
(ii)
Age (in years)
20 - 29
29 - 38
38 - 47
47 - 56
56 - 65
No. of heart patients
13
13
20
17
25
(iii)
Age (in years)
20 - 29
29 - 38
38 - 47
47 - 56
56 - 65
No. of heart patients
13
25
17
17
13
(iv)
Age (in years)
20 - 29
29 - 38
38 - 47
47 - 56
56 - 65
No. of heart patients
13
13
17
17
25
(v)
Age (in years)
20 - 29
29 - 38
38 - 47
47 - 56
56 - 65
No. of heart patients
13
17
13
17
25
Question
5
5.
Heights of 156 students (in cm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Height (in cm)
120 - 125
125 - 130
130 - 135
135 - 140
140 - 145
145 - 150
150 - 155
155 - 160
No. of students
6
32
50
15
19
13
15
6
(ii)
Height (in cm)
120 - 125
125 - 130
130 - 135
135 - 140
140 - 145
145 - 150
150 - 155
155 - 160
No. of students
6
6
50
15
19
13
15
32
(iii)
Height (in cm)
120 - 125
125 - 130
130 - 135
135 - 140
140 - 145
145 - 150
150 - 155
155 - 160
No. of students
6
32
50
15
16
13
15
6
(iv)
Height (in cm)
120 - 125
125 - 130
130 - 135
135 - 140
140 - 145
145 - 150
150 - 155
155 - 160
No. of students
6
32
15
50
19
13
15
6
(v)
Height (in cm)
120 - 125
125 - 130
130 - 135
135 - 140
140 - 145
145 - 150
150 - 155
155 - 160
No. of students
6
32
53
15
19
13
15
6
Question
6
6.
Heights of 156 students (in cm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Height (in cm)
127 - 132
133 - 138
139 - 144
145 - 150
151 - 156
157 - 162
No. of students
27
20
11
41
19
38
(ii)
Height (in cm)
127 - 132
133 - 138
139 - 144
145 - 150
151 - 156
157 - 162
No. of students
27
38
11
38
19
20
(iii)
Height (in cm)
127 - 132
133 - 138
139 - 144
145 - 150
151 - 156
157 - 162
No. of students
27
11
38
41
19
20
(iv)
Height (in cm)
127 - 132
133 - 138
139 - 144
145 - 150
151 - 156
157 - 162
No. of students
27
38
14
41
19
20
(v)
Height (in cm)
127 - 132
133 - 138
139 - 144
145 - 150
151 - 156
157 - 162
No. of students
27
38
11
41
19
20
Question
7
7.
Heights of 178 plants (in cm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Height (in cm)
62 - 67
67 - 72
72 - 77
77 - 82
82 - 87
87 - 92
No. of plants
50
6
6
49
27
40
(ii)
Height (in cm)
62 - 67
67 - 72
72 - 77
77 - 82
82 - 87
87 - 92
No. of plants
50
6
11
49
27
40
(iii)
Height (in cm)
62 - 67
67 - 72
72 - 77
77 - 82
82 - 87
87 - 92
No. of plants
50
6
6
53
27
40
(iv)
Height (in cm)
62 - 67
67 - 72
72 - 77
77 - 82
82 - 87
87 - 92
No. of plants
50
40
6
49
27
6
Question
8
8.
Heights of 129 plants (in cm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Height (in cm)
69 - 76
77 - 84
85 - 92
93 - 100
101 - 108
No. of plants
11
42
25
13
38
(ii)
Height (in cm)
69 - 76
77 - 84
85 - 92
93 - 100
101 - 108
No. of plants
11
38
25
13
42
(iii)
Height (in cm)
69 - 76
77 - 84
85 - 92
93 - 100
101 - 108
No. of plants
11
38
27
13
42
(iv)
Height (in cm)
69 - 76
77 - 84
85 - 92
93 - 100
101 - 108
No. of plants
11
25
38
13
42
(v)
Height (in cm)
69 - 76
77 - 84
85 - 92
93 - 100
101 - 108
No. of plants
11
41
25
13
42
Question
9
9.
Ages of 271 students (in years) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Age (in years)
15 - 20
20 - 25
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
No. of students
40
21
45
43
28
24
43
27
(ii)
Age (in years)
15 - 20
20 - 25
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
No. of students
40
27
45
43
28
24
43
21
(iii)
Age (in years)
15 - 20
20 - 25
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
No. of students
40
27
45
43
26
24
43
21
(iv)
Age (in years)
15 - 20
20 - 25
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
No. of students
40
27
43
45
28
24
43
21
(v)
Age (in years)
15 - 20
20 - 25
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50 - 55
No. of students
40
27
50
43
28
24
43
21
Question
10
10.
Ages of 105 students (in years) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Age (in years)
16 - 26
27 - 37
38 - 48
49 - 59
60 - 70
No. of students
36
16
5
23
25
(ii)
Age (in years)
16 - 26
27 - 37
38 - 48
49 - 59
60 - 70
No. of students
36
25
16
23
5
(iii)
Age (in years)
16 - 26
27 - 37
38 - 48
49 - 59
60 - 70
No. of students
36
5
16
23
25
(iv)
Age (in years)
16 - 26
27 - 37
38 - 48
49 - 59
60 - 70
No. of students
36
5
20
23
25
(v)
Age (in years)
16 - 26
27 - 37
38 - 48
49 - 59
60 - 70
No. of students
36
3
16
23
25
Question
11
11.
Scores of 203 students are given below.
Identify the class interval table for the given frequency polygon.
(i)
Score
80 - 88
88 - 96
96 - 104
104 - 112
112 - 120
120 - 128
128 - 136
136 - 144
No. of students
21
17
36
5
37
31
43
11
(ii)
Score
80 - 88
88 - 96
96 - 104
104 - 112
112 - 120
120 - 128
128 - 136
136 - 144
No. of students
21
17
5
36
39
31
43
11
(iii)
Score
80 - 88
88 - 96
96 - 104
104 - 112
112 - 120
120 - 128
128 - 136
136 - 144
No. of students
21
17
39
5
39
31
43
11
(iv)
Score
80 - 88
88 - 96
96 - 104
104 - 112
112 - 120
120 - 128
128 - 136
136 - 144
No. of students
21
17
36
5
39
31
43
11
(v)
Score
80 - 88
88 - 96
96 - 104
104 - 112
112 - 120
120 - 128
128 - 136
136 - 144
No. of students
21
11
36
5
39
31
43
17
Question
12
12.
Scores of 246 students are given below.
Identify the class interval table for the given frequency polygon.
(i)
Score
82 - 90
91 - 99
100 - 108
109 - 117
118 - 126
127 - 135
136 - 144
145 - 153
No. of students
48
34
11
37
16
42
42
16
(ii)
Score
82 - 90
91 - 99
100 - 108
109 - 117
118 - 126
127 - 135
136 - 144
145 - 153
No. of students
48
34
37
11
16
42
42
16
(iii)
Score
82 - 90
91 - 99
100 - 108
109 - 117
118 - 126
127 - 135
136 - 144
145 - 153
No. of students
48
34
39
11
16
42
42
16
(iv)
Score
82 - 90
91 - 99
100 - 108
109 - 117
118 - 126
127 - 135
136 - 144
145 - 153
No. of students
48
34
37
11
19
42
42
16
(v)
Score
82 - 90
91 - 99
100 - 108
109 - 117
118 - 126
127 - 135
136 - 144
145 - 153
No. of students
48
16
37
11
16
42
42
34
Question
13
13.
Rainfall of 124 days (in mm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Rainfall (in mm)
7 - 12
12 - 17
17 - 22
22 - 27
27 - 32
No. of days
50
9
23
21
21
(ii)
Rainfall (in mm)
7 - 12
12 - 17
17 - 22
22 - 27
27 - 32
No. of days
50
9
21
21
21
(iii)
Rainfall (in mm)
7 - 12
12 - 17
17 - 22
22 - 27
27 - 32
No. of days
50
13
23
21
21
(iv)
Rainfall (in mm)
7 - 12
12 - 17
17 - 22
22 - 27
27 - 32
No. of days
50
23
9
21
21
(v)
Rainfall (in mm)
7 - 12
12 - 17
17 - 22
22 - 27
27 - 32
No. of days
50
21
23
21
9
Question
14
14.
Rainfall of 187 days (in mm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Rainfall (in mm)
7 - 16
17 - 26
27 - 36
37 - 46
47 - 56
57 - 66
67 - 76
No. of days
31
22
32
44
17
14
27
(ii)
Rainfall (in mm)
7 - 16
17 - 26
27 - 36
37 - 46
47 - 56
57 - 66
67 - 76
No. of days
31
32
22
42
17
14
27
(iii)
Rainfall (in mm)
7 - 16
17 - 26
27 - 36
37 - 46
47 - 56
57 - 66
67 - 76
No. of days
31
32
22
44
17
14
27
(iv)
Rainfall (in mm)
7 - 16
17 - 26
27 - 36
37 - 46
47 - 56
57 - 66
67 - 76
No. of days
31
27
22
44
17
14
32
(v)
Rainfall (in mm)
7 - 16
17 - 26
27 - 36
37 - 46
47 - 56
57 - 66
67 - 76
No. of days
31
32
19
44
17
14
27
Question
15
15.
Temperatures of 189 days (in °C) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Temperature (in degree)
29 - 34
34 - 39
39 - 44
44 - 49
49 - 54
54 - 59
No. of days
25
23
16
29
48
48
(ii)
Temperature (in degree)
29 - 34
34 - 39
39 - 44
44 - 49
49 - 54
54 - 59
No. of days
25
48
16
25
48
23
(iii)
Temperature (in degree)
29 - 34
34 - 39
39 - 44
44 - 49
49 - 54
54 - 59
No. of days
25
48
12
29
48
23
(iv)
Temperature (in degree)
29 - 34
34 - 39
39 - 44
44 - 49
49 - 54
54 - 59
No. of days
25
16
48
29
48
23
(v)
Temperature (in degree)
29 - 34
34 - 39
39 - 44
44 - 49
49 - 54
54 - 59
No. of days
25
48
16
29
48
23
Question
16
16.
Temperatures of 135 days (in °C) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Temperature (in degree)
35 - 44
45 - 54
55 - 64
65 - 74
75 - 84
85 - 94
95 - 104
No. of days
38
8
27
10
10
27
20
(ii)
Temperature (in degree)
35 - 44
45 - 54
55 - 64
65 - 74
75 - 84
85 - 94
95 - 104
No. of days
38
8
22
8
10
27
20
(iii)
Temperature (in degree)
35 - 44
45 - 54
55 - 64
65 - 74
75 - 84
85 - 94
95 - 104
No. of days
38
8
22
10
10
27
20
(iv)
Temperature (in degree)
35 - 44
45 - 54
55 - 64
65 - 74
75 - 84
85 - 94
95 - 104
No. of days
38
20
22
10
10
27
8
(v)
Temperature (in degree)
35 - 44
45 - 54
55 - 64
65 - 74
75 - 84
85 - 94
95 - 104
No. of days
38
22
8
10
10
27
20
Question
17
17.
Weights of 200 students (in kg) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Weight (in kg)
59 - 66
66 - 73
73 - 80
80 - 87
87 - 94
94 - 101
No. of students
40
50
7
22
37
44
(ii)
Weight (in kg)
59 - 66
66 - 73
73 - 80
80 - 87
87 - 94
94 - 101
No. of students
40
7
50
26
37
44
(iii)
Weight (in kg)
59 - 66
66 - 73
73 - 80
80 - 87
87 - 94
94 - 101
No. of students
40
7
50
22
37
44
(iv)
Weight (in kg)
59 - 66
66 - 73
73 - 80
80 - 87
87 - 94
94 - 101
No. of students
40
44
50
22
37
7
(v)
Weight (in kg)
59 - 66
66 - 73
73 - 80
80 - 87
87 - 94
94 - 101
No. of students
40
7
55
22
37
44
Question
18
18.
Weights of 252 students (in kg) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Weight (in kg)
56 - 64
65 - 73
74 - 82
83 - 91
92 - 100
101 - 109
110 - 118
119 - 127
No. of students
32
6
33
16
40
45
43
37
(ii)
Weight (in kg)
56 - 64
65 - 73
74 - 82
83 - 91
92 - 100
101 - 109
110 - 118
119 - 127
No. of students
32
6
33
16
42
45
43
37
(iii)
Weight (in kg)
56 - 64
65 - 73
74 - 82
83 - 91
92 - 100
101 - 109
110 - 118
119 - 127
No. of students
32
6
37
16
40
45
43
37
(iv)
Weight (in kg)
56 - 64
65 - 73
74 - 82
83 - 91
92 - 100
101 - 109
110 - 118
119 - 127
No. of students
32
6
16
33
40
45
43
37
(v)
Weight (in kg)
56 - 64
65 - 73
74 - 82
83 - 91
92 - 100
101 - 109
110 - 118
119 - 127
No. of students
32
37
33
16
40
45
43
6
Question
19
19.
Daily wages of 228 labourers (in ₹) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Daily wage (in Rs)
273 - 279
279 - 285
285 - 291
291 - 297
297 - 303
303 - 309
309 - 315
No. of labourers
17
36
44
36
46
29
25
(ii)
Daily wage (in Rs)
273 - 279
279 - 285
285 - 291
291 - 297
297 - 303
303 - 309
309 - 315
No. of labourers
17
25
39
36
46
29
36
(iii)
Daily wage (in Rs)
273 - 279
279 - 285
285 - 291
291 - 297
297 - 303
303 - 309
309 - 315
No. of labourers
17
36
39
36
46
29
25
(iv)
Daily wage (in Rs)
273 - 279
279 - 285
285 - 291
291 - 297
297 - 303
303 - 309
309 - 315
No. of labourers
17
36
39
32
46
29
25
(v)
Daily wage (in Rs)
273 - 279
279 - 285
285 - 291
291 - 297
297 - 303
303 - 309
309 - 315
No. of labourers
17
39
36
36
46
29
25
Question
20
20.
Daily wages of 214 labourers (in ₹) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Daily wage (in Rs)
261 - 268
269 - 276
277 - 284
285 - 292
293 - 300
301 - 308
309 - 316
317 - 324
No. of labourers
34
28
5
43
6
32
18
48
(ii)
Daily wage (in Rs)
261 - 268
269 - 276
277 - 284
285 - 292
293 - 300
301 - 308
309 - 316
317 - 324
No. of labourers
34
28
43
5
6
32
18
48
(iii)
Daily wage (in Rs)
261 - 268
269 - 276
277 - 284
285 - 292
293 - 300
301 - 308
309 - 316
317 - 324
No. of labourers
34
48
5
43
6
32
18
28
(iv)
Daily wage (in Rs)
261 - 268
269 - 276
277 - 284
285 - 292
293 - 300
301 - 308
309 - 316
317 - 324
No. of labourers
34
28
5
43
3
32
18
48
(v)
Daily wage (in Rs)
261 - 268
269 - 276
277 - 284
285 - 292
293 - 300
301 - 308
309 - 316
317 - 324
No. of labourers
34
28
1
43
6
32
18
48
Assignment Key
1) (ii)
2) (i)
3) (iv)
4) (iv)
5) (i)
6) (v)
7) (i)
8) (ii)
9) (ii)
10) (iii)
11) (iv)
12) (ii)
13) (i)
14) (iii)
15) (v)
16) (iii)
17) (iii)
18) (i)
19) (iii)
20) (i)
