EduSahara™ Assignment
Name : Histogram and Frequency Polygon on the same Graph
Chapter : Graphical Representation of Statistical Data
Grade : ICSE Grade IX
License : Non Commercial Use
Question 1
1.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Class-Interval
    29 - 36
    36 - 43
    43 - 50
    50 - 57
    57 - 64
    Frequency
    29
    26
    22
    84
    65
  • (ii)
    Class-Interval
    29 - 36
    36 - 43
    43 - 50
    50 - 57
    57 - 64
    Frequency
    29
    21
    22
    84
    65
  • (iii)
    Class-Interval
    29 - 36
    36 - 43
    43 - 50
    50 - 57
    57 - 64
    Frequency
    29
    26
    17
    84
    65
  • (iv)
    Class-Interval
    29 - 36
    36 - 43
    43 - 50
    50 - 57
    57 - 64
    Frequency
    29
    22
    26
    84
    65
  • (v)
    Class-Interval
    29 - 36
    36 - 43
    43 - 50
    50 - 57
    57 - 64
    Frequency
    29
    65
    22
    84
    26
Question 2
2.
    • Given the number of doctors working in government hospitals in a city in various age groups. Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Age (in years)
    35 - 43
    43 - 51
    51 - 59
    59 - 67
    67 - 75
    No. of doctors
    14
    30
    37
    37
    12
  • (ii)
    Age (in years)
    35 - 43
    43 - 51
    51 - 59
    59 - 67
    67 - 75
    No. of doctors
    14
    8
    37
    37
    30
  • (iii)
    Age (in years)
    35 - 43
    43 - 51
    51 - 59
    59 - 67
    67 - 75
    No. of doctors
    14
    12
    37
    37
    30
  • (iv)
    Age (in years)
    35 - 43
    43 - 51
    51 - 59
    59 - 67
    67 - 75
    No. of doctors
    14
    12
    40
    37
    30
  • (v)
    Age (in years)
    35 - 43
    43 - 51
    51 - 59
    59 - 67
    67 - 75
    No. of doctors
    14
    37
    12
    37
    30
Question 3
3.
    • Given below is the cost of living index for a particular year in a city. Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Cost of living index (in rupees)
    133 - 140
    140 - 147
    147 - 154
    154 - 161
    161 - 168
    No. of weeks
    10
    10
    4
    10
    8
  • (ii)
    Cost of living index (in rupees)
    133 - 140
    140 - 147
    147 - 154
    154 - 161
    161 - 168
    No. of weeks
    10
    10
    8
    10
    8
  • (iii)
    Cost of living index (in rupees)
    133 - 140
    140 - 147
    147 - 154
    154 - 161
    161 - 168
    No. of weeks
    10
    13
    8
    10
    8
  • (iv)
    Cost of living index (in rupees)
    133 - 140
    140 - 147
    147 - 154
    154 - 161
    161 - 168
    No. of weeks
    10
    8
    10
    10
    8
  • (v)
    Cost of living index (in rupees)
    133 - 140
    140 - 147
    147 - 154
    154 - 161
    161 - 168
    No. of weeks
    10
    8
    8
    10
    10
Question 4
4.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Class-Interval
    26 - 32
    33 - 39
    40 - 46
    47 - 53
    54 - 60
    61 - 67
    68 - 74
    Frequency
    19
    26
    73
    64
    87
    80
    29
  • (ii)
    Class-Interval
    26 - 32
    33 - 39
    40 - 46
    47 - 53
    54 - 60
    61 - 67
    68 - 74
    Frequency
    19
    29
    73
    64
    87
    80
    26
  • (iii)
    Class-Interval
    26 - 32
    33 - 39
    40 - 46
    47 - 53
    54 - 60
    61 - 67
    68 - 74
    Frequency
    19
    73
    26
    64
    87
    80
    29
  • (iv)
    Class-Interval
    26 - 32
    33 - 39
    40 - 46
    47 - 53
    54 - 60
    61 - 67
    68 - 74
    Frequency
    19
    26
    76
    64
    87
    80
    29
  • (v)
    Class-Interval
    26 - 32
    33 - 39
    40 - 46
    47 - 53
    54 - 60
    61 - 67
    68 - 74
    Frequency
    19
    26
    73
    62
    87
    80
    29
Question 5
5.
    • Given the number of doctors working in government hospitals in a city in various age groups. Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Age (in years)
    28 - 33
    34 - 39
    40 - 45
    46 - 51
    52 - 57
    58 - 63
    64 - 69
    70 - 75
    No. of doctors
    48
    46
    17
    31
    28
    24
    30
    20
  • (ii)
    Age (in years)
    28 - 33
    34 - 39
    40 - 45
    46 - 51
    52 - 57
    58 - 63
    64 - 69
    70 - 75
    No. of doctors
    48
    46
    31
    15
    28
    24
    30
    20
  • (iii)
    Age (in years)
    28 - 33
    34 - 39
    40 - 45
    46 - 51
    52 - 57
    58 - 63
    64 - 69
    70 - 75
    No. of doctors
    48
    46
    15
    31
    28
    24
    30
    20
  • (iv)
    Age (in years)
    28 - 33
    34 - 39
    40 - 45
    46 - 51
    52 - 57
    58 - 63
    64 - 69
    70 - 75
    No. of doctors
    48
    46
    15
    31
    23
    24
    30
    20
  • (v)
    Age (in years)
    28 - 33
    34 - 39
    40 - 45
    46 - 51
    52 - 57
    58 - 63
    64 - 69
    70 - 75
    No. of doctors
    48
    20
    15
    31
    28
    24
    30
    46
Question 6
6.
    • Given below is the cost of living index for a particular year in a city. Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Cost of living index (in rupees)
    116 - 124
    125 - 133
    134 - 142
    143 - 151
    152 - 160
    161 - 169
    No. of weeks
    9
    5
    5
    6
    8
    9
  • (ii)
    Cost of living index (in rupees)
    116 - 124
    125 - 133
    134 - 142
    143 - 151
    152 - 160
    161 - 169
    No. of weeks
    9
    9
    8
    6
    8
    5
  • (iii)
    Cost of living index (in rupees)
    116 - 124
    125 - 133
    134 - 142
    143 - 151
    152 - 160
    161 - 169
    No. of weeks
    9
    9
    5
    11
    8
    5
  • (iv)
    Cost of living index (in rupees)
    116 - 124
    125 - 133
    134 - 142
    143 - 151
    152 - 160
    161 - 169
    No. of weeks
    9
    5
    9
    6
    8
    5
  • (v)
    Cost of living index (in rupees)
    116 - 124
    125 - 133
    134 - 142
    143 - 151
    152 - 160
    161 - 169
    No. of weeks
    9
    9
    5
    6
    8
    5
Question 7
7.
    • Heights of 186 students (in cm) are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Height (in cm)
    130 - 136
    136 - 142
    142 - 148
    148 - 154
    154 - 160
    160 - 166
    166 - 172
    No. of students
    34
    35
    25
    17
    38
    30
    7
  • (ii)
    Height (in cm)
    130 - 136
    136 - 142
    142 - 148
    148 - 154
    154 - 160
    160 - 166
    166 - 172
    No. of students
    34
    35
    22
    17
    38
    30
    7
  • (iii)
    Height (in cm)
    130 - 136
    136 - 142
    142 - 148
    148 - 154
    154 - 160
    160 - 166
    166 - 172
    No. of students
    34
    25
    35
    17
    38
    30
    7
  • (iv)
    Height (in cm)
    130 - 136
    136 - 142
    142 - 148
    148 - 154
    154 - 160
    160 - 166
    166 - 172
    No. of students
    34
    35
    25
    19
    38
    30
    7
  • (v)
    Height (in cm)
    130 - 136
    136 - 142
    142 - 148
    148 - 154
    154 - 160
    160 - 166
    166 - 172
    No. of students
    34
    7
    25
    17
    38
    30
    35
Question 8
8.
    • Heights of 224 students (in cm) are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Height (in cm)
    125 - 135
    136 - 146
    147 - 157
    158 - 168
    169 - 179
    180 - 190
    191 - 201
    No. of students
    50
    36
    27
    22
    33
    9
    47
  • (ii)
    Height (in cm)
    125 - 135
    136 - 146
    147 - 157
    158 - 168
    169 - 179
    180 - 190
    191 - 201
    No. of students
    50
    36
    22
    22
    33
    9
    47
  • (iii)
    Height (in cm)
    125 - 135
    136 - 146
    147 - 157
    158 - 168
    169 - 179
    180 - 190
    191 - 201
    No. of students
    50
    36
    27
    17
    33
    9
    47
  • (iv)
    Height (in cm)
    125 - 135
    136 - 146
    147 - 157
    158 - 168
    169 - 179
    180 - 190
    191 - 201
    No. of students
    50
    47
    27
    22
    33
    9
    36
  • (v)
    Height (in cm)
    125 - 135
    136 - 146
    147 - 157
    158 - 168
    169 - 179
    180 - 190
    191 - 201
    No. of students
    50
    27
    36
    22
    33
    9
    47
Question 9
9.
    • Heights of 200 plants (in cm) are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Height (in cm)
    51 - 58
    58 - 65
    65 - 72
    72 - 79
    79 - 86
    86 - 93
    93 - 100
    No. of plants
    40
    49
    27
    23
    40
    12
    7
  • (ii)
    Height (in cm)
    51 - 58
    58 - 65
    65 - 72
    72 - 79
    79 - 86
    86 - 93
    93 - 100
    No. of plants
    40
    29
    49
    23
    40
    12
    7
  • (iii)
    Height (in cm)
    51 - 58
    58 - 65
    65 - 72
    72 - 79
    79 - 86
    86 - 93
    93 - 100
    No. of plants
    40
    7
    29
    23
    40
    12
    49
  • (iv)
    Height (in cm)
    51 - 58
    58 - 65
    65 - 72
    72 - 79
    79 - 86
    86 - 93
    93 - 100
    No. of plants
    40
    49
    29
    23
    40
    12
    7
  • (v)
    Height (in cm)
    51 - 58
    58 - 65
    65 - 72
    72 - 79
    79 - 86
    86 - 93
    93 - 100
    No. of plants
    40
    49
    29
    27
    40
    12
    7
Question 10
10.
    • Heights of 152 plants (in cm) are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Height (in cm)
    65 - 70
    71 - 76
    77 - 82
    83 - 88
    89 - 94
    95 - 100
    101 - 106
    107 - 112
    No. of plants
    5
    8
    16
    40
    7
    25
    32
    19
  • (ii)
    Height (in cm)
    65 - 70
    71 - 76
    77 - 82
    83 - 88
    89 - 94
    95 - 100
    101 - 106
    107 - 112
    No. of plants
    5
    19
    40
    16
    7
    25
    32
    8
  • (iii)
    Height (in cm)
    65 - 70
    71 - 76
    77 - 82
    83 - 88
    89 - 94
    95 - 100
    101 - 106
    107 - 112
    No. of plants
    5
    8
    40
    16
    3
    25
    32
    19
  • (iv)
    Height (in cm)
    65 - 70
    71 - 76
    77 - 82
    83 - 88
    89 - 94
    95 - 100
    101 - 106
    107 - 112
    No. of plants
    5
    8
    43
    16
    7
    25
    32
    19
  • (v)
    Height (in cm)
    65 - 70
    71 - 76
    77 - 82
    83 - 88
    89 - 94
    95 - 100
    101 - 106
    107 - 112
    No. of plants
    5
    8
    40
    16
    7
    25
    32
    19
Question 11
11.
    • Ages of 198 students (in years) are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Age (in years)
    20 - 30
    30 - 40
    40 - 50
    50 - 60
    60 - 70
    70 - 80
    80 - 90
    90 - 100
    No. of students
    17
    17
    28
    46
    18
    7
    18
    50
  • (ii)
    Age (in years)
    20 - 30
    30 - 40
    40 - 50
    50 - 60
    60 - 70
    70 - 80
    80 - 90
    90 - 100
    No. of students
    17
    17
    28
    46
    15
    7
    18
    50
  • (iii)
    Age (in years)
    20 - 30
    30 - 40
    40 - 50
    50 - 60
    60 - 70
    70 - 80
    80 - 90
    90 - 100
    No. of students
    17
    50
    28
    46
    15
    7
    18
    17
  • (iv)
    Age (in years)
    20 - 30
    30 - 40
    40 - 50
    50 - 60
    60 - 70
    70 - 80
    80 - 90
    90 - 100
    No. of students
    17
    17
    24
    46
    15
    7
    18
    50
  • (v)
    Age (in years)
    20 - 30
    30 - 40
    40 - 50
    50 - 60
    60 - 70
    70 - 80
    80 - 90
    90 - 100
    No. of students
    17
    17
    46
    28
    15
    7
    18
    50
Question 12
12.
    • Ages of 221 students (in years) are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Age (in years)
    20 - 25
    26 - 31
    32 - 37
    38 - 43
    44 - 49
    50 - 55
    56 - 61
    No. of students
    26
    29
    44
    29
    18
    49
    26
  • (ii)
    Age (in years)
    20 - 25
    26 - 31
    32 - 37
    38 - 43
    44 - 49
    50 - 55
    56 - 61
    No. of students
    26
    29
    44
    32
    18
    49
    26
  • (iii)
    Age (in years)
    20 - 25
    26 - 31
    32 - 37
    38 - 43
    44 - 49
    50 - 55
    56 - 61
    No. of students
    26
    44
    29
    29
    18
    49
    26
  • (iv)
    Age (in years)
    20 - 25
    26 - 31
    32 - 37
    38 - 43
    44 - 49
    50 - 55
    56 - 61
    No. of students
    26
    29
    39
    29
    18
    49
    26
  • (v)
    Age (in years)
    20 - 25
    26 - 31
    32 - 37
    38 - 43
    44 - 49
    50 - 55
    56 - 61
    No. of students
    26
    26
    44
    29
    18
    49
    29
Question 13
13.
    • Scores of 232 students are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Score
    88 - 94
    94 - 100
    100 - 106
    106 - 112
    112 - 118
    118 - 124
    124 - 130
    130 - 136
    No. of students
    44
    47
    9
    19
    7
    21
    37
    48
  • (ii)
    Score
    88 - 94
    94 - 100
    100 - 106
    106 - 112
    112 - 118
    118 - 124
    124 - 130
    130 - 136
    No. of students
    44
    47
    9
    19
    10
    21
    37
    48
  • (iii)
    Score
    88 - 94
    94 - 100
    100 - 106
    106 - 112
    112 - 118
    118 - 124
    124 - 130
    130 - 136
    No. of students
    44
    47
    13
    19
    7
    21
    37
    48
  • (iv)
    Score
    88 - 94
    94 - 100
    100 - 106
    106 - 112
    112 - 118
    118 - 124
    124 - 130
    130 - 136
    No. of students
    44
    47
    19
    9
    7
    21
    37
    48
  • (v)
    Score
    88 - 94
    94 - 100
    100 - 106
    106 - 112
    112 - 118
    118 - 124
    124 - 130
    130 - 136
    No. of students
    44
    48
    9
    19
    7
    21
    37
    47
Question 14
14.
    • Scores of 188 students are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Score
    72 - 80
    81 - 89
    90 - 98
    99 - 107
    108 - 116
    117 - 125
    126 - 134
    No. of students
    18
    27
    10
    11
    47
    46
    26
  • (ii)
    Score
    72 - 80
    81 - 89
    90 - 98
    99 - 107
    108 - 116
    117 - 125
    126 - 134
    No. of students
    18
    26
    13
    11
    47
    46
    27
  • (iii)
    Score
    72 - 80
    81 - 89
    90 - 98
    99 - 107
    108 - 116
    117 - 125
    126 - 134
    No. of students
    18
    27
    13
    16
    47
    46
    26
  • (iv)
    Score
    72 - 80
    81 - 89
    90 - 98
    99 - 107
    108 - 116
    117 - 125
    126 - 134
    No. of students
    18
    13
    27
    11
    47
    46
    26
  • (v)
    Score
    72 - 80
    81 - 89
    90 - 98
    99 - 107
    108 - 116
    117 - 125
    126 - 134
    No. of students
    18
    27
    13
    11
    47
    46
    26
Question 15
15.
    • Rainfall of 316 days (in mm) are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Rainfall (in mm)
    6 - 15
    15 - 24
    24 - 33
    33 - 42
    42 - 51
    51 - 60
    60 - 69
    69 - 78
    No. of days
    49
    46
    5
    36
    40
    49
    50
    39
  • (ii)
    Rainfall (in mm)
    6 - 15
    15 - 24
    24 - 33
    33 - 42
    42 - 51
    51 - 60
    60 - 69
    69 - 78
    No. of days
    49
    46
    5
    36
    42
    49
    50
    39
  • (iii)
    Rainfall (in mm)
    6 - 15
    15 - 24
    24 - 33
    33 - 42
    42 - 51
    51 - 60
    60 - 69
    69 - 78
    No. of days
    49
    46
    36
    5
    42
    49
    50
    39
  • (iv)
    Rainfall (in mm)
    6 - 15
    15 - 24
    24 - 33
    33 - 42
    42 - 51
    51 - 60
    60 - 69
    69 - 78
    No. of days
    49
    46
    10
    36
    42
    49
    50
    39
  • (v)
    Rainfall (in mm)
    6 - 15
    15 - 24
    24 - 33
    33 - 42
    42 - 51
    51 - 60
    60 - 69
    69 - 78
    No. of days
    49
    39
    5
    36
    42
    49
    50
    46
Question 16
16.
    • Rainfall of 218 days (in mm) are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Rainfall (in mm)
    7 - 16
    17 - 26
    27 - 36
    37 - 46
    47 - 56
    57 - 66
    67 - 76
    No. of days
    12
    50
    46
    29
    12
    48
    25
  • (ii)
    Rainfall (in mm)
    7 - 16
    17 - 26
    27 - 36
    37 - 46
    47 - 56
    57 - 66
    67 - 76
    No. of days
    12
    50
    42
    32
    12
    48
    25
  • (iii)
    Rainfall (in mm)
    7 - 16
    17 - 26
    27 - 36
    37 - 46
    47 - 56
    57 - 66
    67 - 76
    No. of days
    12
    25
    42
    29
    12
    48
    50
  • (iv)
    Rainfall (in mm)
    7 - 16
    17 - 26
    27 - 36
    37 - 46
    47 - 56
    57 - 66
    67 - 76
    No. of days
    12
    50
    42
    29
    12
    48
    25
  • (v)
    Rainfall (in mm)
    7 - 16
    17 - 26
    27 - 36
    37 - 46
    47 - 56
    57 - 66
    67 - 76
    No. of days
    12
    42
    50
    29
    12
    48
    25
Question 17
17.
    • Temperatures of 277 days (in °C) are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Temperature (in degree)
    27 - 35
    35 - 43
    43 - 51
    51 - 59
    59 - 67
    67 - 75
    75 - 83
    83 - 91
    No. of days
    28
    50
    21
    44
    42
    13
    39
    38
  • (ii)
    Temperature (in degree)
    27 - 35
    35 - 43
    43 - 51
    51 - 59
    59 - 67
    67 - 75
    75 - 83
    83 - 91
    No. of days
    28
    50
    44
    21
    44
    13
    39
    38
  • (iii)
    Temperature (in degree)
    27 - 35
    35 - 43
    43 - 51
    51 - 59
    59 - 67
    67 - 75
    75 - 83
    83 - 91
    No. of days
    28
    50
    17
    44
    44
    13
    39
    38
  • (iv)
    Temperature (in degree)
    27 - 35
    35 - 43
    43 - 51
    51 - 59
    59 - 67
    67 - 75
    75 - 83
    83 - 91
    No. of days
    28
    38
    21
    44
    44
    13
    39
    50
  • (v)
    Temperature (in degree)
    27 - 35
    35 - 43
    43 - 51
    51 - 59
    59 - 67
    67 - 75
    75 - 83
    83 - 91
    No. of days
    28
    50
    21
    44
    44
    13
    39
    38
Question 18
18.
    • Temperatures of 151 days (in °C) are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Temperature (in degree)
    25 - 35
    36 - 46
    47 - 57
    58 - 68
    69 - 79
    No. of days
    23
    38
    27
    36
    22
  • (ii)
    Temperature (in degree)
    25 - 35
    36 - 46
    47 - 57
    58 - 68
    69 - 79
    No. of days
    23
    38
    32
    36
    22
  • (iii)
    Temperature (in degree)
    25 - 35
    36 - 46
    47 - 57
    58 - 68
    69 - 79
    No. of days
    23
    32
    38
    36
    22
  • (iv)
    Temperature (in degree)
    25 - 35
    36 - 46
    47 - 57
    58 - 68
    69 - 79
    No. of days
    23
    22
    32
    36
    38
  • (v)
    Temperature (in degree)
    25 - 35
    36 - 46
    47 - 57
    58 - 68
    69 - 79
    No. of days
    23
    42
    32
    36
    22
Question 19
19.
    • Weights of 122 students (in kg) are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Weight (in kg)
    47 - 56
    56 - 65
    65 - 74
    74 - 83
    83 - 92
    92 - 101
    101 - 110
    No. of students
    5
    26
    33
    12
    15
    12
    19
  • (ii)
    Weight (in kg)
    47 - 56
    56 - 65
    65 - 74
    74 - 83
    83 - 92
    92 - 101
    101 - 110
    No. of students
    5
    26
    38
    12
    15
    12
    19
  • (iii)
    Weight (in kg)
    47 - 56
    56 - 65
    65 - 74
    74 - 83
    83 - 92
    92 - 101
    101 - 110
    No. of students
    5
    33
    26
    12
    15
    12
    19
  • (iv)
    Weight (in kg)
    47 - 56
    56 - 65
    65 - 74
    74 - 83
    83 - 92
    92 - 101
    101 - 110
    No. of students
    5
    26
    33
    10
    15
    12
    19
  • (v)
    Weight (in kg)
    47 - 56
    56 - 65
    65 - 74
    74 - 83
    83 - 92
    92 - 101
    101 - 110
    No. of students
    5
    19
    33
    12
    15
    12
    26
Question 20
20.
    • Weights of 169 students (in kg) are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Weight (in kg)
    40 - 47
    48 - 55
    56 - 63
    64 - 71
    72 - 79
    80 - 87
    88 - 95
    No. of students
    13
    40
    30
    33
    11
    16
    26
  • (ii)
    Weight (in kg)
    40 - 47
    48 - 55
    56 - 63
    64 - 71
    72 - 79
    80 - 87
    88 - 95
    No. of students
    13
    26
    30
    33
    11
    16
    40
  • (iii)
    Weight (in kg)
    40 - 47
    48 - 55
    56 - 63
    64 - 71
    72 - 79
    80 - 87
    88 - 95
    No. of students
    13
    30
    26
    33
    11
    16
    40
  • (iv)
    Weight (in kg)
    40 - 47
    48 - 55
    56 - 63
    64 - 71
    72 - 79
    80 - 87
    88 - 95
    No. of students
    13
    26
    30
    30
    11
    16
    40
  • (v)
    Weight (in kg)
    40 - 47
    48 - 55
    56 - 63
    64 - 71
    72 - 79
    80 - 87
    88 - 95
    No. of students
    13
    26
    35
    33
    11
    16
    40
Question 21
21.
    • Daily wages of 182 labourers (in ₹) are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Daily wage(in Rs)
    272 - 282
    282 - 292
    292 - 302
    302 - 312
    312 - 322
    No. of labourers
    38
    50
    44
    41
    9
  • (ii)
    Daily wage(in Rs)
    272 - 282
    282 - 292
    292 - 302
    302 - 312
    312 - 322
    No. of labourers
    38
    9
    39
    41
    50
  • (iii)
    Daily wage(in Rs)
    272 - 282
    282 - 292
    292 - 302
    302 - 312
    312 - 322
    No. of labourers
    38
    7
    44
    41
    50
  • (iv)
    Daily wage(in Rs)
    272 - 282
    282 - 292
    292 - 302
    302 - 312
    312 - 322
    No. of labourers
    38
    9
    44
    41
    50
  • (v)
    Daily wage(in Rs)
    272 - 282
    282 - 292
    292 - 302
    302 - 312
    312 - 322
    No. of labourers
    38
    44
    9
    41
    50
Question 22
22.
    • Daily wages of 176 labourers (in ₹) are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Daily wage(in Rs)
    201 - 207
    208 - 214
    215 - 221
    222 - 228
    229 - 235
    236 - 242
    No. of labourers
    30
    50
    8
    12
    48
    28
  • (ii)
    Daily wage(in Rs)
    201 - 207
    208 - 214
    215 - 221
    222 - 228
    229 - 235
    236 - 242
    No. of labourers
    30
    8
    50
    9
    48
    28
  • (iii)
    Daily wage(in Rs)
    201 - 207
    208 - 214
    215 - 221
    222 - 228
    229 - 235
    236 - 242
    No. of labourers
    30
    8
    52
    12
    48
    28
  • (iv)
    Daily wage(in Rs)
    201 - 207
    208 - 214
    215 - 221
    222 - 228
    229 - 235
    236 - 242
    No. of labourers
    30
    8
    50
    12
    48
    28
  • (v)
    Daily wage(in Rs)
    201 - 207
    208 - 214
    215 - 221
    222 - 228
    229 - 235
    236 - 242
    No. of labourers
    30
    28
    50
    12
    48
    8
    Assignment Key
  •  1) (i)
  •  2) (iii)
  •  3) (ii)
  •  4) (i)
  •  5) (iii)
  •  6) (v)
  •  7) (i)
  •  8) (i)
  •  9) (iv)
  •  10) (v)
  •  11) (ii)
  •  12) (i)
  •  13) (i)
  •  14) (v)
  •  15) (ii)
  •  16) (iv)
  •  17) (v)
  •  18) (ii)
  •  19) (i)
  •  20) (ii)
  •  21) (iv)
  •  22) (iv)