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
22 - 29
30 - 37
38 - 45
46 - 53
54 - 61
62 - 69
Frequency
26
24
11
16
46
31
(ii)
Class-Interval
22 - 29
30 - 37
38 - 45
46 - 53
54 - 61
62 - 69
Frequency
26
11
24
21
46
31
(iii)
Class-Interval
22 - 29
30 - 37
38 - 45
46 - 53
54 - 61
62 - 69
Frequency
26
11
24
16
46
31
(iv)
Class-Interval
22 - 29
30 - 37
38 - 45
46 - 53
54 - 61
62 - 69
Frequency
26
31
24
16
46
11
(v)
Class-Interval
22 - 29
30 - 37
38 - 45
46 - 53
54 - 61
62 - 69
Frequency
26
11
28
16
46
31
Question
2
2.
Identify the class interval table for the given frequency polygon.
(i)
Class-Interval
32 - 36
36 - 40
40 - 44
44 - 48
48 - 52
52 - 56
56 - 60
60 - 64
Frequency
14
41
27
22
38
36
37
23
(ii)
Class-Interval
32 - 36
36 - 40
40 - 44
44 - 48
48 - 52
52 - 56
56 - 60
60 - 64
Frequency
14
41
32
22
33
36
37
23
(iii)
Class-Interval
32 - 36
36 - 40
40 - 44
44 - 48
48 - 52
52 - 56
56 - 60
60 - 64
Frequency
14
23
32
22
38
36
37
41
(iv)
Class-Interval
32 - 36
36 - 40
40 - 44
44 - 48
48 - 52
52 - 56
56 - 60
60 - 64
Frequency
14
41
32
22
38
36
37
23
(v)
Class-Interval
32 - 36
36 - 40
40 - 44
44 - 48
48 - 52
52 - 56
56 - 60
60 - 64
Frequency
14
41
22
32
38
36
37
23
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)
48 - 55
56 - 63
64 - 71
72 - 79
80 - 87
88 - 95
96 - 103
104 - 111
No. of heart patients
7
19
27
10
28
11
30
24
(ii)
Age (in years)
48 - 55
56 - 63
64 - 71
72 - 79
80 - 87
88 - 95
96 - 103
104 - 111
No. of heart patients
7
19
10
27
30
11
30
24
(iii)
Age (in years)
48 - 55
56 - 63
64 - 71
72 - 79
80 - 87
88 - 95
96 - 103
104 - 111
No. of heart patients
7
24
27
10
30
11
30
19
(iv)
Age (in years)
48 - 55
56 - 63
64 - 71
72 - 79
80 - 87
88 - 95
96 - 103
104 - 111
No. of heart patients
7
19
32
10
30
11
30
24
(v)
Age (in years)
48 - 55
56 - 63
64 - 71
72 - 79
80 - 87
88 - 95
96 - 103
104 - 111
No. of heart patients
7
19
27
10
30
11
30
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)
27 - 34
34 - 41
41 - 48
48 - 55
55 - 62
62 - 69
69 - 76
No. of heart patients
14
25
22
15
7
29
19
(ii)
Age (in years)
27 - 34
34 - 41
41 - 48
48 - 55
55 - 62
62 - 69
69 - 76
No. of heart patients
14
25
18
15
7
29
19
(iii)
Age (in years)
27 - 34
34 - 41
41 - 48
48 - 55
55 - 62
62 - 69
69 - 76
No. of heart patients
14
25
22
18
7
29
19
(iv)
Age (in years)
27 - 34
34 - 41
41 - 48
48 - 55
55 - 62
62 - 69
69 - 76
No. of heart patients
14
22
25
15
7
29
19
(v)
Age (in years)
27 - 34
34 - 41
41 - 48
48 - 55
55 - 62
62 - 69
69 - 76
No. of heart patients
14
19
22
15
7
29
25
Question
5
5.
Heights of 125 students (in cm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Height (in cm)
128 - 137
137 - 146
146 - 155
155 - 164
164 - 173
No. of students
32
11
26
14
42
(ii)
Height (in cm)
128 - 137
137 - 146
146 - 155
155 - 164
164 - 173
No. of students
32
42
11
14
26
(iii)
Height (in cm)
128 - 137
137 - 146
146 - 155
155 - 164
164 - 173
No. of students
32
21
11
14
42
(iv)
Height (in cm)
128 - 137
137 - 146
146 - 155
155 - 164
164 - 173
No. of students
32
26
11
14
42
(v)
Height (in cm)
128 - 137
137 - 146
146 - 155
155 - 164
164 - 173
No. of students
32
26
13
14
42
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 - 135
136 - 143
144 - 151
152 - 159
160 - 167
168 - 175
176 - 183
184 - 191
No. of students
27
32
24
38
9
10
17
6
(ii)
Height (in cm)
128 - 135
136 - 143
144 - 151
152 - 159
160 - 167
168 - 175
176 - 183
184 - 191
No. of students
27
32
24
38
12
10
17
6
(iii)
Height (in cm)
128 - 135
136 - 143
144 - 151
152 - 159
160 - 167
168 - 175
176 - 183
184 - 191
No. of students
27
6
24
38
9
10
17
32
(iv)
Height (in cm)
128 - 135
136 - 143
144 - 151
152 - 159
160 - 167
168 - 175
176 - 183
184 - 191
No. of students
27
32
19
38
9
10
17
6
(v)
Height (in cm)
128 - 135
136 - 143
144 - 151
152 - 159
160 - 167
168 - 175
176 - 183
184 - 191
No. of students
27
32
38
24
9
10
17
6
Question
7
7.
Heights of 221 plants (in cm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Height (in cm)
59 - 67
67 - 75
75 - 83
83 - 91
91 - 99
99 - 107
No. of plants
36
12
43
44
47
41
(ii)
Height (in cm)
59 - 67
67 - 75
75 - 83
83 - 91
91 - 99
99 - 107
No. of plants
36
43
12
42
47
41
(iii)
Height (in cm)
59 - 67
67 - 75
75 - 83
83 - 91
91 - 99
99 - 107
No. of plants
36
12
48
42
47
41
(iv)
Height (in cm)
59 - 67
67 - 75
75 - 83
83 - 91
91 - 99
99 - 107
No. of plants
36
12
43
42
47
41
(v)
Height (in cm)
59 - 67
67 - 75
75 - 83
83 - 91
91 - 99
99 - 107
No. of plants
36
41
43
42
47
12
Question
8
8.
Heights of 152 plants (in cm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Height (in cm)
51 - 56
57 - 62
63 - 68
69 - 74
75 - 80
No. of plants
26
28
41
11
44
(ii)
Height (in cm)
51 - 56
57 - 62
63 - 68
69 - 74
75 - 80
No. of plants
26
28
43
11
44
(iii)
Height (in cm)
51 - 56
57 - 62
63 - 68
69 - 74
75 - 80
No. of plants
26
43
28
11
44
(iv)
Height (in cm)
51 - 56
57 - 62
63 - 68
69 - 74
75 - 80
No. of plants
26
44
43
11
28
(v)
Height (in cm)
51 - 56
57 - 62
63 - 68
69 - 74
75 - 80
No. of plants
26
31
43
11
44
Question
9
9.
Ages of 196 students (in years) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Age (in years)
16 - 24
24 - 32
32 - 40
40 - 48
48 - 56
56 - 64
No. of students
38
14
30
37
40
37
(ii)
Age (in years)
16 - 24
24 - 32
32 - 40
40 - 48
48 - 56
56 - 64
No. of students
38
30
14
34
40
37
(iii)
Age (in years)
16 - 24
24 - 32
32 - 40
40 - 48
48 - 56
56 - 64
No. of students
38
37
14
37
40
30
(iv)
Age (in years)
16 - 24
24 - 32
32 - 40
40 - 48
48 - 56
56 - 64
No. of students
38
30
19
37
40
37
(v)
Age (in years)
16 - 24
24 - 32
32 - 40
40 - 48
48 - 56
56 - 64
No. of students
38
30
14
37
40
37
Question
10
10.
Ages of 184 students (in years) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Age (in years)
13 - 19
20 - 26
27 - 33
34 - 40
41 - 47
48 - 54
55 - 61
62 - 68
No. of students
41
14
20
8
12
11
31
47
(ii)
Age (in years)
13 - 19
20 - 26
27 - 33
34 - 40
41 - 47
48 - 54
55 - 61
62 - 68
No. of students
41
47
20
8
12
11
31
14
(iii)
Age (in years)
13 - 19
20 - 26
27 - 33
34 - 40
41 - 47
48 - 54
55 - 61
62 - 68
No. of students
41
47
20
8
17
11
31
14
(iv)
Age (in years)
13 - 19
20 - 26
27 - 33
34 - 40
41 - 47
48 - 54
55 - 61
62 - 68
No. of students
41
47
8
20
12
11
31
14
(v)
Age (in years)
13 - 19
20 - 26
27 - 33
34 - 40
41 - 47
48 - 54
55 - 61
62 - 68
No. of students
41
47
17
8
12
11
31
14
Question
11
11.
Scores of 122 students are given below.
Identify the class interval table for the given frequency polygon.
(i)
Score
78 - 86
86 - 94
94 - 102
102 - 110
110 - 118
118 - 126
No. of students
25
32
18
6
36
5
(ii)
Score
78 - 86
86 - 94
94 - 102
102 - 110
110 - 118
118 - 126
No. of students
25
18
32
11
36
5
(iii)
Score
78 - 86
86 - 94
94 - 102
102 - 110
110 - 118
118 - 126
No. of students
25
18
32
6
36
5
(iv)
Score
78 - 86
86 - 94
94 - 102
102 - 110
110 - 118
118 - 126
No. of students
25
5
32
6
36
18
(v)
Score
78 - 86
86 - 94
94 - 102
102 - 110
110 - 118
118 - 126
No. of students
25
18
30
6
36
5
Question
12
12.
Scores of 203 students are given below.
Identify the class interval table for the given frequency polygon.
(i)
Score
85 - 94
95 - 104
105 - 114
115 - 124
125 - 134
135 - 144
145 - 154
155 - 164
No. of students
33
33
31
12
24
27
22
21
(ii)
Score
85 - 94
95 - 104
105 - 114
115 - 124
125 - 134
135 - 144
145 - 154
155 - 164
No. of students
33
33
31
12
26
27
22
21
(iii)
Score
85 - 94
95 - 104
105 - 114
115 - 124
125 - 134
135 - 144
145 - 154
155 - 164
No. of students
33
33
28
12
24
27
22
21
(iv)
Score
85 - 94
95 - 104
105 - 114
115 - 124
125 - 134
135 - 144
145 - 154
155 - 164
No. of students
33
33
12
31
24
27
22
21
(v)
Score
85 - 94
95 - 104
105 - 114
115 - 124
125 - 134
135 - 144
145 - 154
155 - 164
No. of students
33
21
31
12
24
27
22
33
Question
13
13.
Rainfall of 201 days (in mm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Rainfall (in mm)
11 - 17
17 - 23
23 - 29
29 - 35
35 - 41
41 - 47
47 - 53
No. of days
37
27
19
32
39
40
7
(ii)
Rainfall (in mm)
11 - 17
17 - 23
23 - 29
29 - 35
35 - 41
41 - 47
47 - 53
No. of days
37
19
24
32
39
40
7
(iii)
Rainfall (in mm)
11 - 17
17 - 23
23 - 29
29 - 35
35 - 41
41 - 47
47 - 53
No. of days
37
19
27
34
39
40
7
(iv)
Rainfall (in mm)
11 - 17
17 - 23
23 - 29
29 - 35
35 - 41
41 - 47
47 - 53
No. of days
37
19
27
32
39
40
7
(v)
Rainfall (in mm)
11 - 17
17 - 23
23 - 29
29 - 35
35 - 41
41 - 47
47 - 53
No. of days
37
7
27
32
39
40
19
Question
14
14.
Rainfall of 168 days (in mm) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Rainfall (in mm)
14 - 23
24 - 33
34 - 43
44 - 53
54 - 63
64 - 73
74 - 83
84 - 93
No. of days
27
25
6
11
5
29
33
32
(ii)
Rainfall (in mm)
14 - 23
24 - 33
34 - 43
44 - 53
54 - 63
64 - 73
74 - 83
84 - 93
No. of days
27
32
6
11
5
29
33
25
(iii)
Rainfall (in mm)
14 - 23
24 - 33
34 - 43
44 - 53
54 - 63
64 - 73
74 - 83
84 - 93
No. of days
27
25
4
11
5
29
33
32
(iv)
Rainfall (in mm)
14 - 23
24 - 33
34 - 43
44 - 53
54 - 63
64 - 73
74 - 83
84 - 93
No. of days
27
25
6
11
8
29
33
32
(v)
Rainfall (in mm)
14 - 23
24 - 33
34 - 43
44 - 53
54 - 63
64 - 73
74 - 83
84 - 93
No. of days
27
25
11
6
5
29
33
32
Question
15
15.
Temperatures of 179 days (in °C) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Temperature (in degree)
34 - 39
39 - 44
44 - 49
49 - 54
54 - 59
59 - 64
No. of days
32
18
47
13
42
27
(ii)
Temperature (in degree)
34 - 39
39 - 44
44 - 49
49 - 54
54 - 59
59 - 64
No. of days
32
18
47
10
42
27
(iii)
Temperature (in degree)
34 - 39
39 - 44
44 - 49
49 - 54
54 - 59
59 - 64
No. of days
32
27
47
13
42
18
(iv)
Temperature (in degree)
34 - 39
39 - 44
44 - 49
49 - 54
54 - 59
59 - 64
No. of days
32
47
18
13
42
27
(v)
Temperature (in degree)
34 - 39
39 - 44
44 - 49
49 - 54
54 - 59
59 - 64
No. of days
32
18
45
13
42
27
Question
16
16.
Temperatures of 178 days (in °C) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Temperature (in degree)
27 - 34
35 - 42
43 - 50
51 - 58
59 - 66
67 - 74
75 - 82
No. of days
33
14
17
40
37
20
17
(ii)
Temperature (in degree)
27 - 34
35 - 42
43 - 50
51 - 58
59 - 66
67 - 74
75 - 82
No. of days
33
17
11
40
37
20
17
(iii)
Temperature (in degree)
27 - 34
35 - 42
43 - 50
51 - 58
59 - 66
67 - 74
75 - 82
No. of days
33
17
14
40
37
20
17
(iv)
Temperature (in degree)
27 - 34
35 - 42
43 - 50
51 - 58
59 - 66
67 - 74
75 - 82
No. of days
33
17
14
44
37
20
17
Question
17
17.
Weights of 210 students (in kg) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Weight (in kg)
59 - 64
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
No. of students
41
30
15
43
5
29
43
(ii)
Weight (in kg)
59 - 64
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
No. of students
41
30
12
47
5
29
43
(iii)
Weight (in kg)
59 - 64
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
No. of students
41
15
30
47
5
29
43
(iv)
Weight (in kg)
59 - 64
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
No. of students
41
43
15
47
5
29
30
(v)
Weight (in kg)
59 - 64
64 - 69
69 - 74
74 - 79
79 - 84
84 - 89
89 - 94
No. of students
41
30
15
47
5
29
43
Question
18
18.
Weights of 97 students (in kg) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Weight (in kg)
40 - 45
46 - 51
52 - 57
58 - 63
64 - 69
No. of students
12
33
10
18
24
(ii)
Weight (in kg)
40 - 45
46 - 51
52 - 57
58 - 63
64 - 69
No. of students
12
24
10
18
33
(iii)
Weight (in kg)
40 - 45
46 - 51
52 - 57
58 - 63
64 - 69
No. of students
12
20
10
18
33
(iv)
Weight (in kg)
40 - 45
46 - 51
52 - 57
58 - 63
64 - 69
No. of students
12
24
8
18
33
(v)
Weight (in kg)
40 - 45
46 - 51
52 - 57
58 - 63
64 - 69
No. of students
12
10
24
18
33
Question
19
19.
Daily wages of 148 labourers (in ₹) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Daily wage (in Rs)
230 - 240
240 - 250
250 - 260
260 - 270
270 - 280
280 - 290
No. of labourers
13
17
45
52
6
20
(ii)
Daily wage (in Rs)
230 - 240
240 - 250
250 - 260
260 - 270
270 - 280
280 - 290
No. of labourers
13
45
17
47
6
20
(iii)
Daily wage (in Rs)
230 - 240
240 - 250
250 - 260
260 - 270
270 - 280
280 - 290
No. of labourers
13
17
42
47
6
20
(iv)
Daily wage (in Rs)
230 - 240
240 - 250
250 - 260
260 - 270
270 - 280
280 - 290
No. of labourers
13
20
45
47
6
17
(v)
Daily wage (in Rs)
230 - 240
240 - 250
250 - 260
260 - 270
270 - 280
280 - 290
No. of labourers
13
17
45
47
6
20
Question
20
20.
Daily wages of 227 labourers (in ₹) are given below.
Identify the class interval table for the given frequency polygon.
(i)
Daily wage (in Rs)
264 - 269
270 - 275
276 - 281
282 - 287
288 - 293
294 - 299
300 - 305
306 - 311
No. of labourers
50
6
47
13
39
19
29
24
(ii)
Daily wage (in Rs)
264 - 269
270 - 275
276 - 281
282 - 287
288 - 293
294 - 299
300 - 305
306 - 311
No. of labourers
50
24
43
13
39
19
29
6
(iii)
Daily wage (in Rs)
264 - 269
270 - 275
276 - 281
282 - 287
288 - 293
294 - 299
300 - 305
306 - 311
No. of labourers
50
24
47
13
39
19
29
6
(iv)
Daily wage (in Rs)
264 - 269
270 - 275
276 - 281
282 - 287
288 - 293
294 - 299
300 - 305
306 - 311
No. of labourers
50
24
47
13
37
19
29
6
(v)
Daily wage (in Rs)
264 - 269
270 - 275
276 - 281
282 - 287
288 - 293
294 - 299
300 - 305
306 - 311
No. of labourers
50
24
13
47
39
19
29
6
Assignment Key
1) (iii)
2) (iv)
3) (v)
4) (i)
5) (iv)
6) (i)
7) (iv)
8) (ii)
9) (v)
10) (ii)
11) (iii)
12) (i)
13) (iv)
14) (i)
15) (i)
16) (iii)
17) (v)
18) (ii)
19) (v)
20) (iii)
