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
30 - 35
36 - 41
42 - 47
48 - 53
54 - 59
60 - 65
66 - 71
72 - 77
Frequency
19
38
13
42
29
18
19
40
(ii)
Class-Interval
30 - 35
36 - 41
42 - 47
48 - 53
54 - 59
60 - 65
66 - 71
72 - 77
Frequency
19
38
16
42
29
18
19
40
(iii)
Class-Interval
30 - 35
36 - 41
42 - 47
48 - 53
54 - 59
60 - 65
66 - 71
72 - 77
Frequency
19
38
13
42
34
18
19
40
(iv)
Class-Interval
30 - 35
36 - 41
42 - 47
48 - 53
54 - 59
60 - 65
66 - 71
72 - 77
Frequency
19
38
42
13
29
18
19
40
(v)
Class-Interval
30 - 35
36 - 41
42 - 47
48 - 53
54 - 59
60 - 65
66 - 71
72 - 77
Frequency
19
40
13
42
29
18
19
38
Question
2
2.
Identify the class interval table for the given frequency polygon.
(i)
Class-Interval
49 - 56
56 - 63
63 - 70
70 - 77
77 - 84
84 - 91
91 - 98
Frequency
11
40
22
11
14
25
48
(ii)
Class-Interval
49 - 56
56 - 63
63 - 70
70 - 77
77 - 84
84 - 91
91 - 98
Frequency
11
40
17
11
14
25
48
(iii)
Class-Interval
49 - 56
56 - 63
63 - 70
70 - 77
77 - 84
84 - 91
91 - 98
Frequency
11
48
17
11
14
25
40
(iv)
Class-Interval
49 - 56
56 - 63
63 - 70
70 - 77
77 - 84
84 - 91
91 - 98
Frequency
11
40
17
6
14
25
48
(v)
Class-Interval
49 - 56
56 - 63
63 - 70
70 - 77
77 - 84
84 - 91
91 - 98
Frequency
11
17
40
11
14
25
48
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)
24 - 30
31 - 37
38 - 44
45 - 51
52 - 58
59 - 65
66 - 72
73 - 79
No. of heart patients
17
11
6
23
18
21
12
27
(ii)
Age (in years)
24 - 30
31 - 37
38 - 44
45 - 51
52 - 58
59 - 65
66 - 72
73 - 79
No. of heart patients
17
27
6
23
15
21
12
11
(iii)
Age (in years)
24 - 30
31 - 37
38 - 44
45 - 51
52 - 58
59 - 65
66 - 72
73 - 79
No. of heart patients
17
11
23
6
15
21
12
27
(iv)
Age (in years)
24 - 30
31 - 37
38 - 44
45 - 51
52 - 58
59 - 65
66 - 72
73 - 79
No. of heart patients
17
11
6
23
15
21
12
27
(v)
Age (in years)
24 - 30
31 - 37
38 - 44
45 - 51
52 - 58
59 - 65
66 - 72
73 - 79
No. of heart patients
17
11
8
23
15
21
12
27
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)
41 - 48
48 - 55
55 - 62
62 - 69
69 - 76
No. of heart patients
18
19
19
27
19
(ii)
Age (in years)
41 - 48
48 - 55
55 - 62
62 - 69
69 - 76
No. of heart patients
18
15
19
27
19
(iii)
Age (in years)
41 - 48
48 - 55
55 - 62
62 - 69
69 - 76
No. of heart patients
18
23
15
27
19
(iv)
Age (in years)
41 - 48
48 - 55
55 - 62
62 - 69
69 - 76
No. of heart patients
18
19
15
27
19
Question
5
5.
Heights of 160 students (in cm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Height (in cm)
123 - 131
131 - 139
139 - 147
147 - 155
155 - 163
163 - 171
171 - 179
No. of students
19
20
14
23
26
39
19
(ii)
Height (in cm)
123 - 131
131 - 139
139 - 147
147 - 155
155 - 163
163 - 171
171 - 179
No. of students
19
20
12
23
26
39
19
(iii)
Height (in cm)
123 - 131
131 - 139
139 - 147
147 - 155
155 - 163
163 - 171
171 - 179
No. of students
19
19
14
23
26
39
20
(iv)
Height (in cm)
123 - 131
131 - 139
139 - 147
147 - 155
155 - 163
163 - 171
171 - 179
No. of students
19
20
14
28
26
39
19
(v)
Height (in cm)
123 - 131
131 - 139
139 - 147
147 - 155
155 - 163
163 - 171
171 - 179
No. of students
19
14
20
23
26
39
19
Question
6
6.
Heights of 163 students (in cm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Height (in cm)
128 - 134
135 - 141
142 - 148
149 - 155
156 - 162
163 - 169
No. of students
18
17
39
10
41
38
(ii)
Height (in cm)
128 - 134
135 - 141
142 - 148
149 - 155
156 - 162
163 - 169
No. of students
18
38
17
10
41
39
(iii)
Height (in cm)
128 - 134
135 - 141
142 - 148
149 - 155
156 - 162
163 - 169
No. of students
18
39
17
12
41
38
(iv)
Height (in cm)
128 - 134
135 - 141
142 - 148
149 - 155
156 - 162
163 - 169
No. of students
18
39
17
10
41
38
(v)
Height (in cm)
128 - 134
135 - 141
142 - 148
149 - 155
156 - 162
163 - 169
No. of students
18
39
20
10
41
38
Question
7
7.
Heights of 123 plants (in cm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Height (in cm)
69 - 77
77 - 85
85 - 93
93 - 101
101 - 109
No. of plants
12
22
12
32
45
(ii)
Height (in cm)
69 - 77
77 - 85
85 - 93
93 - 101
101 - 109
No. of plants
12
22
15
32
45
(iii)
Height (in cm)
69 - 77
77 - 85
85 - 93
93 - 101
101 - 109
No. of plants
12
45
12
32
22
(iv)
Height (in cm)
69 - 77
77 - 85
85 - 93
93 - 101
101 - 109
No. of plants
12
25
12
32
45
(v)
Height (in cm)
69 - 77
77 - 85
85 - 93
93 - 101
101 - 109
No. of plants
12
12
22
32
45
Question
8
8.
Heights of 137 plants (in cm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Height (in cm)
69 - 77
78 - 86
87 - 95
96 - 104
105 - 113
No. of plants
11
40
28
25
29
(ii)
Height (in cm)
69 - 77
78 - 86
87 - 95
96 - 104
105 - 113
No. of plants
11
40
32
25
29
(iii)
Height (in cm)
69 - 77
78 - 86
87 - 95
96 - 104
105 - 113
No. of plants
11
32
40
25
29
(iv)
Height (in cm)
69 - 77
78 - 86
87 - 95
96 - 104
105 - 113
No. of plants
11
45
32
25
29
(v)
Height (in cm)
69 - 77
78 - 86
87 - 95
96 - 104
105 - 113
No. of plants
11
29
32
25
40
Question
9
9.
Ages of 178 students (in years) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Age (in years)
14 - 22
22 - 30
30 - 38
38 - 46
46 - 54
54 - 62
62 - 70
No. of students
48
18
45
8
45
7
9
(ii)
Age (in years)
14 - 22
22 - 30
30 - 38
38 - 46
46 - 54
54 - 62
62 - 70
No. of students
48
45
18
6
45
7
9
(iii)
Age (in years)
14 - 22
22 - 30
30 - 38
38 - 46
46 - 54
54 - 62
62 - 70
No. of students
48
18
45
6
45
7
9
(iv)
Age (in years)
14 - 22
22 - 30
30 - 38
38 - 46
46 - 54
54 - 62
62 - 70
No. of students
48
9
45
6
45
7
18
(v)
Age (in years)
14 - 22
22 - 30
30 - 38
38 - 46
46 - 54
54 - 62
62 - 70
No. of students
48
18
48
6
45
7
9
Question
10
10.
Ages of 211 students (in years) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Age (in years)
19 - 27
28 - 36
37 - 45
46 - 54
55 - 63
64 - 72
73 - 81
No. of students
48
14
16
23
35
40
32
(ii)
Age (in years)
19 - 27
28 - 36
37 - 45
46 - 54
55 - 63
64 - 72
73 - 81
No. of students
48
14
18
26
35
40
32
(iii)
Age (in years)
19 - 27
28 - 36
37 - 45
46 - 54
55 - 63
64 - 72
73 - 81
No. of students
48
16
14
26
35
40
32
(iv)
Age (in years)
19 - 27
28 - 36
37 - 45
46 - 54
55 - 63
64 - 72
73 - 81
No. of students
48
14
16
26
35
40
32
(v)
Age (in years)
19 - 27
28 - 36
37 - 45
46 - 54
55 - 63
64 - 72
73 - 81
No. of students
48
32
16
26
35
40
14
Question
11
11.
Scores of 225 students are given below.
Identify the class interval table for the given frequency polygon.
(i)
Score
86 - 93
93 - 100
100 - 107
107 - 114
114 - 121
121 - 128
128 - 135
135 - 142
No. of students
44
28
21
8
14
33
45
27
(ii)
Score
86 - 93
93 - 100
100 - 107
107 - 114
114 - 121
121 - 128
128 - 135
135 - 142
No. of students
44
28
26
8
16
33
45
27
(iii)
Score
86 - 93
93 - 100
100 - 107
107 - 114
114 - 121
121 - 128
128 - 135
135 - 142
No. of students
44
27
26
8
14
33
45
28
(iv)
Score
86 - 93
93 - 100
100 - 107
107 - 114
114 - 121
121 - 128
128 - 135
135 - 142
No. of students
44
28
26
8
14
33
45
27
(v)
Score
86 - 93
93 - 100
100 - 107
107 - 114
114 - 121
121 - 128
128 - 135
135 - 142
No. of students
44
28
8
26
14
33
45
27
Question
12
12.
Scores of 190 students are given below.
Identify the class interval table for the given frequency polygon.
(i)
Score
81 - 91
92 - 102
103 - 113
114 - 124
125 - 135
No. of students
16
44
49
39
42
(ii)
Score
81 - 91
92 - 102
103 - 113
114 - 124
125 - 135
No. of students
16
49
42
39
44
(iii)
Score
81 - 91
92 - 102
103 - 113
114 - 124
125 - 135
No. of students
16
42
53
39
44
(iv)
Score
81 - 91
92 - 102
103 - 113
114 - 124
125 - 135
No. of students
16
47
49
39
44
(v)
Score
81 - 91
92 - 102
103 - 113
114 - 124
125 - 135
No. of students
16
42
49
39
44
Question
13
13.
Rainfall of 132 days (in mm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Rainfall (in mm)
10 - 20
20 - 30
30 - 40
40 - 50
50 - 60
No. of days
37
27
47
10
11
(ii)
Rainfall (in mm)
10 - 20
20 - 30
30 - 40
40 - 50
50 - 60
No. of days
37
51
27
10
11
(iii)
Rainfall (in mm)
10 - 20
20 - 30
30 - 40
40 - 50
50 - 60
No. of days
37
47
24
10
11
(iv)
Rainfall (in mm)
10 - 20
20 - 30
30 - 40
40 - 50
50 - 60
No. of days
37
11
27
10
47
(v)
Rainfall (in mm)
10 - 20
20 - 30
30 - 40
40 - 50
50 - 60
No. of days
37
47
27
10
11
Question
14
14.
Rainfall of 225 days (in mm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Rainfall (in mm)
6 - 11
12 - 17
18 - 23
24 - 29
30 - 35
36 - 41
42 - 47
48 - 53
No. of days
7
22
7
41
39
23
37
49
(ii)
Rainfall (in mm)
6 - 11
12 - 17
18 - 23
24 - 29
30 - 35
36 - 41
42 - 47
48 - 53
No. of days
7
22
7
41
42
23
37
49
(iii)
Rainfall (in mm)
6 - 11
12 - 17
18 - 23
24 - 29
30 - 35
36 - 41
42 - 47
48 - 53
No. of days
7
22
41
7
39
23
37
49
(iv)
Rainfall (in mm)
6 - 11
12 - 17
18 - 23
24 - 29
30 - 35
36 - 41
42 - 47
48 - 53
No. of days
7
49
7
41
39
23
37
22
(v)
Rainfall (in mm)
6 - 11
12 - 17
18 - 23
24 - 29
30 - 35
36 - 41
42 - 47
48 - 53
No. of days
7
22
5
41
39
23
37
49
Question
15
15.
Temperatures of 119 days (in °C) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Temperature (in degree)
31 - 36
36 - 41
41 - 46
46 - 51
51 - 56
No. of days
43
22
19
16
19
(ii)
Temperature (in degree)
31 - 36
36 - 41
41 - 46
46 - 51
51 - 56
No. of days
43
19
22
16
22
(iii)
Temperature (in degree)
31 - 36
36 - 41
41 - 46
46 - 51
51 - 56
No. of days
43
19
19
16
22
(iv)
Temperature (in degree)
31 - 36
36 - 41
41 - 46
46 - 51
51 - 56
No. of days
43
17
19
16
22
Question
16
16.
Temperatures of 187 days (in °C) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Temperature (in degree)
27 - 33
34 - 40
41 - 47
48 - 54
55 - 61
62 - 68
No. of days
48
34
17
39
16
33
(ii)
Temperature (in degree)
27 - 33
34 - 40
41 - 47
48 - 54
55 - 61
62 - 68
No. of days
48
17
29
39
16
33
(iii)
Temperature (in degree)
27 - 33
34 - 40
41 - 47
48 - 54
55 - 61
62 - 68
No. of days
48
17
34
42
16
33
(iv)
Temperature (in degree)
27 - 33
34 - 40
41 - 47
48 - 54
55 - 61
62 - 68
No. of days
48
17
34
39
16
33
(v)
Temperature (in degree)
27 - 33
34 - 40
41 - 47
48 - 54
55 - 61
62 - 68
No. of days
48
33
34
39
16
17
Question
17
17.
Weights of 148 students (in kg) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Weight (in kg)
55 - 61
61 - 67
67 - 73
73 - 79
79 - 85
No. of students
19
41
42
5
39
(ii)
Weight (in kg)
55 - 61
61 - 67
67 - 73
73 - 79
79 - 85
No. of students
19
37
44
5
39
(iii)
Weight (in kg)
55 - 61
61 - 67
67 - 73
73 - 79
79 - 85
No. of students
19
41
44
5
39
(iv)
Weight (in kg)
55 - 61
61 - 67
67 - 73
73 - 79
79 - 85
No. of students
19
39
44
5
41
(v)
Weight (in kg)
55 - 61
61 - 67
67 - 73
73 - 79
79 - 85
No. of students
19
44
41
5
39
Question
18
18.
Weights of 148 students (in kg) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Weight (in kg)
55 - 65
66 - 76
77 - 87
88 - 98
99 - 109
No. of students
11
47
23
26
41
(ii)
Weight (in kg)
55 - 65
66 - 76
77 - 87
88 - 98
99 - 109
No. of students
11
41
23
26
47
(iii)
Weight (in kg)
55 - 65
66 - 76
77 - 87
88 - 98
99 - 109
No. of students
11
23
41
26
47
(iv)
Weight (in kg)
55 - 65
66 - 76
77 - 87
88 - 98
99 - 109
No. of students
11
41
26
26
47
(v)
Weight (in kg)
55 - 65
66 - 76
77 - 87
88 - 98
99 - 109
No. of students
11
45
23
26
47
Question
19
19.
Daily wages of 247 labourers (in ₹) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Daily wage (in Rs)
250 - 259
259 - 268
268 - 277
277 - 286
286 - 295
295 - 304
304 - 313
313 - 322
No. of labourers
46
50
29
36
30
7
38
11
(ii)
Daily wage (in Rs)
250 - 259
259 - 268
268 - 277
277 - 286
286 - 295
295 - 304
304 - 313
313 - 322
No. of labourers
46
50
33
36
30
7
38
11
(iii)
Daily wage (in Rs)
250 - 259
259 - 268
268 - 277
277 - 286
286 - 295
295 - 304
304 - 313
313 - 322
No. of labourers
46
50
36
29
30
7
38
11
(iv)
Daily wage (in Rs)
250 - 259
259 - 268
268 - 277
277 - 286
286 - 295
295 - 304
304 - 313
313 - 322
No. of labourers
46
50
29
36
25
7
38
11
(v)
Daily wage (in Rs)
250 - 259
259 - 268
268 - 277
277 - 286
286 - 295
295 - 304
304 - 313
313 - 322
No. of labourers
46
11
29
36
30
7
38
50
Question
20
20.
Daily wages of 197 labourers (in ₹) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Daily wage (in Rs)
252 - 259
260 - 267
268 - 275
276 - 283
284 - 291
292 - 299
300 - 307
No. of labourers
28
36
9
30
28
34
35
(ii)
Daily wage (in Rs)
252 - 259
260 - 267
268 - 275
276 - 283
284 - 291
292 - 299
300 - 307
No. of labourers
28
36
13
27
28
34
35
(iii)
Daily wage (in Rs)
252 - 259
260 - 267
268 - 275
276 - 283
284 - 291
292 - 299
300 - 307
No. of labourers
28
9
36
27
28
34
35
(iv)
Daily wage (in Rs)
252 - 259
260 - 267
268 - 275
276 - 283
284 - 291
292 - 299
300 - 307
No. of labourers
28
35
9
27
28
34
36
(v)
Daily wage (in Rs)
252 - 259
260 - 267
268 - 275
276 - 283
284 - 291
292 - 299
300 - 307
No. of labourers
28
36
9
27
28
34
35
Assignment Key
1) (i)
2) (ii)
3) (iv)
4) (iv)
5) (i)
6) (iv)
7) (i)
8) (ii)
9) (iii)
10) (iv)
11) (iv)
12) (v)
13) (v)
14) (i)
15) (iii)
16) (iv)
17) (iii)
18) (ii)
19) (i)
20) (v)
