EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Graphical Representation of Statistical Data
Grade : ICSE Grade IX
License : Non Commercial Use
Question 1
1.
    • Rainfall of 196 days (in mm) are given below.
    • Identify the class interval table for the given histogram.
  • (i)
    Rainfall (in mm)
    5 - 11
    11 - 17
    17 - 23
    23 - 29
    29 - 35
    35 - 41
    41 - 47
    No. of days
    15
    6
    27
    42
    28
    50
    28
  • (ii)
    Rainfall (in mm)
    5 - 11
    11 - 17
    17 - 23
    23 - 29
    29 - 35
    35 - 41
    41 - 47
    No. of days
    15
    28
    27
    42
    28
    50
    6
  • (iii)
    Rainfall (in mm)
    5 - 11
    11 - 17
    17 - 23
    23 - 29
    29 - 35
    35 - 41
    41 - 47
    No. of days
    15
    27
    28
    42
    28
    50
    6
  • (iv)
    Rainfall (in mm)
    5 - 11
    11 - 17
    17 - 23
    23 - 29
    29 - 35
    35 - 41
    41 - 47
    No. of days
    15
    28
    27
    44
    28
    50
    6
  • (v)
    Rainfall (in mm)
    5 - 11
    11 - 17
    17 - 23
    23 - 29
    29 - 35
    35 - 41
    41 - 47
    No. of days
    15
    28
    24
    42
    28
    50
    6
Question 2
2.
    • Temperatures of 126 days (in °C) are given below.
    • Identify the class interval table for the given frequency polygon.
  • (i)
    Temperature (in degree)
    27 - 36
    37 - 46
    47 - 56
    57 - 66
    67 - 76
    No. of days
    31
    38
    27
    24
    6
  • (ii)
    Temperature (in degree)
    27 - 36
    37 - 46
    47 - 56
    57 - 66
    67 - 76
    No. of days
    31
    6
    29
    24
    38
  • (iii)
    Temperature (in degree)
    27 - 36
    37 - 46
    47 - 56
    57 - 66
    67 - 76
    No. of days
    31
    4
    27
    24
    38
  • (iv)
    Temperature (in degree)
    27 - 36
    37 - 46
    47 - 56
    57 - 66
    67 - 76
    No. of days
    31
    6
    27
    24
    38
  • (v)
    Temperature (in degree)
    27 - 36
    37 - 46
    47 - 56
    57 - 66
    67 - 76
    No. of days
    31
    27
    6
    24
    38
Question 3
3.
    • Ages of 113 students (in years) are given below.
    • Identify the class interval table for the given histogram.
  • (i)
    Age (in years)
    10 - 19
    19 - 28
    28 - 37
    37 - 46
    46 - 55
    No. of students
    34
    12
    52
    5
    13
  • (ii)
    Age (in years)
    10 - 19
    19 - 28
    28 - 37
    37 - 46
    46 - 55
    No. of students
    34
    13
    49
    5
    12
  • (iii)
    Age (in years)
    10 - 19
    19 - 28
    28 - 37
    37 - 46
    46 - 55
    No. of students
    34
    17
    49
    5
    13
  • (iv)
    Age (in years)
    10 - 19
    19 - 28
    28 - 37
    37 - 46
    46 - 55
    No. of students
    34
    49
    12
    5
    13
  • (v)
    Age (in years)
    10 - 19
    19 - 28
    28 - 37
    37 - 46
    46 - 55
    No. of students
    34
    12
    49
    5
    13
Question 4
4.
Heights of 142 plants (in cm) are given below. Identify the class mark table for the given histogram.
  • (i)
    Height (in cm)
    59
    65
    71
    77
    83
    89
    No. of plants
    26
    13
    23
    25
    8
    47
  • (ii)
    Height (in cm)
    59
    65
    71
    77
    83
    89
    No. of plants
    26
    47
    23
    25
    8
    13
  • (iii)
    Height (in cm)
    59
    65
    71
    77
    83
    89
    No. of plants
    26
    23
    13
    25
    8
    47
  • (iv)
    Height (in cm)
    59
    65
    71
    77
    83
    89
    No. of plants
    26
    13
    26
    25
    8
    47
  • (v)
    Height (in cm)
    59
    65
    71
    77
    83
    89
    No. of plants
    26
    13
    23
    21
    8
    47
Question 5
5.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Class-Interval
    10 - 17
    18 - 25
    26 - 33
    34 - 41
    42 - 49
    50 - 57
    58 - 65
    Frequency
    68
    45
    48
    40
    34
    27
    59
  • (ii)
    Class-Interval
    10 - 17
    18 - 25
    26 - 33
    34 - 41
    42 - 49
    50 - 57
    58 - 65
    Frequency
    68
    48
    45
    40
    34
    27
    59
  • (iii)
    Class-Interval
    10 - 17
    18 - 25
    26 - 33
    34 - 41
    42 - 49
    50 - 57
    58 - 65
    Frequency
    68
    59
    48
    40
    34
    27
    45
  • (iv)
    Class-Interval
    10 - 17
    18 - 25
    26 - 33
    34 - 41
    42 - 49
    50 - 57
    58 - 65
    Frequency
    68
    45
    48
    38
    34
    27
    59
  • (v)
    Class-Interval
    10 - 17
    18 - 25
    26 - 33
    34 - 41
    42 - 49
    50 - 57
    58 - 65
    Frequency
    68
    45
    46
    40
    34
    27
    59
Question 6
6.
There are certain creatures in a zoo. Find the type of creature that has maximum presense in the zoo.
  • (i)
    Land animals
  • (ii)
    Beast animals
  • (iii)
    Birds
  • (iv)
    Wild animals
  • (v)
    Domestic animals
Question 7
7.
    • Weights of 177 students (in kg) are given below.
    • Identify the class interval table for the given histogram.
  • (i)
    Weight (in kg)
    52 - 61
    62 - 71
    72 - 81
    82 - 91
    92 - 101
    102 - 111
    No. of students
    29
    10
    45
    46
    34
    13
  • (ii)
    Weight (in kg)
    52 - 61
    62 - 71
    72 - 81
    82 - 91
    92 - 101
    102 - 111
    No. of students
    29
    45
    10
    46
    34
    13
  • (iii)
    Weight (in kg)
    52 - 61
    62 - 71
    72 - 81
    82 - 91
    92 - 101
    102 - 111
    No. of students
    29
    10
    49
    46
    34
    13
  • (iv)
    Weight (in kg)
    52 - 61
    62 - 71
    72 - 81
    82 - 91
    92 - 101
    102 - 111
    No. of students
    29
    13
    45
    46
    34
    10
  • (v)
    Weight (in kg)
    52 - 61
    62 - 71
    72 - 81
    82 - 91
    92 - 101
    102 - 111
    No. of students
    29
    10
    45
    41
    34
    13
Question 8
8.
    • Scores of 152 students are given below.
    • Identify the class interval table for the given histogram.
  • (i)
    Score
    81 - 89
    90 - 98
    99 - 107
    108 - 116
    117 - 125
    126 - 134
    135 - 143
    No. of students
    47
    25
    19
    6
    27
    8
    17
  • (ii)
    Score
    81 - 89
    90 - 98
    99 - 107
    108 - 116
    117 - 125
    126 - 134
    135 - 143
    No. of students
    47
    25
    22
    6
    27
    8
    17
  • (iii)
    Score
    81 - 89
    90 - 98
    99 - 107
    108 - 116
    117 - 125
    126 - 134
    135 - 143
    No. of students
    47
    25
    22
    11
    27
    8
    17
  • (iv)
    Score
    81 - 89
    90 - 98
    99 - 107
    108 - 116
    117 - 125
    126 - 134
    135 - 143
    No. of students
    47
    17
    22
    6
    27
    8
    25
  • (v)
    Score
    81 - 89
    90 - 98
    99 - 107
    108 - 116
    117 - 125
    126 - 134
    135 - 143
    No. of students
    47
    22
    25
    6
    27
    8
    17
Question 9
9.
    • Heights of 125 students (in cm) are given below.
    • Identify the class interval table for the given frequency polygon.
  • (i)
    Height (in cm)
    127 - 136
    136 - 145
    145 - 154
    154 - 163
    163 - 172
    No. of students
    14
    27
    31
    44
    9
  • (ii)
    Height (in cm)
    127 - 136
    136 - 145
    145 - 154
    154 - 163
    163 - 172
    No. of students
    14
    31
    29
    44
    9
  • (iii)
    Height (in cm)
    127 - 136
    136 - 145
    145 - 154
    154 - 163
    163 - 172
    No. of students
    14
    9
    27
    44
    31
  • (iv)
    Height (in cm)
    127 - 136
    136 - 145
    145 - 154
    154 - 163
    163 - 172
    No. of students
    14
    33
    27
    44
    9
  • (v)
    Height (in cm)
    127 - 136
    136 - 145
    145 - 154
    154 - 163
    163 - 172
    No. of students
    14
    31
    27
    44
    9
Question 10
10.
On a certain day, the temperature in a city was recorded as shown below. Find the time that has maximum temperature.
  • (i)
    3 p.m.
  • (ii)
    1 p.m.
  • (iii)
    7 a.m.
  • (iv)
    11 a.m.
  • (v)
    9 a.m.
Question 11
11.
Following bar graph gives the average temperature of a place during a week. Find the day that has minimum temperature.
  • (i)
    Fri.
  • (ii)
    Sat.
  • (iii)
    Tues.
  • (iv)
    Mon.
  • (v)
    Wed.
Question 12
12.
    • 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)
    125 - 133
    134 - 142
    143 - 151
    152 - 160
    161 - 169
    170 - 178
    No. of students
    42
    42
    27
    36
    22
    19
  • (ii)
    Height (in cm)
    125 - 133
    134 - 142
    143 - 151
    152 - 160
    161 - 169
    170 - 178
    No. of students
    42
    25
    42
    36
    22
    19
  • (iii)
    Height (in cm)
    125 - 133
    134 - 142
    143 - 151
    152 - 160
    161 - 169
    170 - 178
    No. of students
    42
    19
    25
    36
    22
    42
  • (iv)
    Height (in cm)
    125 - 133
    134 - 142
    143 - 151
    152 - 160
    161 - 169
    170 - 178
    No. of students
    42
    42
    25
    36
    22
    19
  • (v)
    Height (in cm)
    125 - 133
    134 - 142
    143 - 151
    152 - 160
    161 - 169
    170 - 178
    No. of students
    42
    42
    25
    40
    22
    19
Question 13
13.
Weights of 136 students (in kg) are given below. Identify the class mark table for the given histogram.
  • (i)
    Weight (in kg)
    49
    57
    65
    73
    81
    No. of students
    36
    21
    28
    6
    45
  • (ii)
    Weight (in kg)
    49
    57
    65
    73
    81
    No. of students
    36
    28
    21
    6
    45
  • (iii)
    Weight (in kg)
    49
    57
    65
    73
    81
    No. of students
    36
    30
    21
    6
    45
  • (iv)
    Weight (in kg)
    49
    57
    65
    73
    81
    No. of students
    36
    28
    25
    6
    45
  • (v)
    Weight (in kg)
    49
    57
    65
    73
    81
    No. of students
    36
    45
    21
    6
    28
Question 14
14.
    • Temperatures of 248 days (in °C) are given below.
    • Identify the class interval table for the given histogram.
  • (i)
    Temperature (in degree)
    33 - 41
    41 - 49
    49 - 57
    57 - 65
    65 - 73
    73 - 81
    81 - 89
    No. of days
    40
    45
    18
    49
    47
    13
    36
  • (ii)
    Temperature (in degree)
    33 - 41
    41 - 49
    49 - 57
    57 - 65
    65 - 73
    73 - 81
    81 - 89
    No. of days
    40
    45
    16
    49
    47
    13
    36
  • (iii)
    Temperature (in degree)
    33 - 41
    41 - 49
    49 - 57
    57 - 65
    65 - 73
    73 - 81
    81 - 89
    No. of days
    40
    18
    45
    49
    47
    13
    36
  • (iv)
    Temperature (in degree)
    33 - 41
    41 - 49
    49 - 57
    57 - 65
    65 - 73
    73 - 81
    81 - 89
    No. of days
    40
    45
    18
    53
    47
    13
    36
  • (v)
    Temperature (in degree)
    33 - 41
    41 - 49
    49 - 57
    57 - 65
    65 - 73
    73 - 81
    81 - 89
    No. of days
    40
    36
    18
    49
    47
    13
    45
Question 15
15.
Temperatures of 146 days (in °C) are given below. Identify the class mark table for the given histogram.
  • (i)
    Temperature (in degree)
    38.5
    47.5
    56.5
    65.5
    74.5
    No. of days
    13
    27
    43
    18
    45
  • (ii)
    Temperature (in degree)
    38.5
    47.5
    56.5
    65.5
    74.5
    No. of days
    13
    27
    46
    18
    45
  • (iii)
    Temperature (in degree)
    38.5
    47.5
    56.5
    65.5
    74.5
    No. of days
    13
    43
    27
    18
    45
  • (iv)
    Temperature (in degree)
    38.5
    47.5
    56.5
    65.5
    74.5
    No. of days
    13
    45
    43
    18
    27
  • (v)
    Temperature (in degree)
    38.5
    47.5
    56.5
    65.5
    74.5
    No. of days
    13
    29
    43
    18
    45
Question 16
16.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Class-Interval
    24 - 32
    32 - 40
    40 - 48
    48 - 56
    56 - 64
    Frequency
    70
    42
    54
    68
    38
  • (ii)
    Class-Interval
    24 - 32
    32 - 40
    40 - 48
    48 - 56
    56 - 64
    Frequency
    70
    38
    54
    68
    38
  • (iii)
    Class-Interval
    24 - 32
    32 - 40
    40 - 48
    48 - 56
    56 - 64
    Frequency
    70
    38
    54
    68
    42
  • (iv)
    Class-Interval
    24 - 32
    32 - 40
    40 - 48
    48 - 56
    56 - 64
    Frequency
    70
    42
    57
    68
    38
  • (v)
    Class-Interval
    24 - 32
    32 - 40
    40 - 48
    48 - 56
    56 - 64
    Frequency
    70
    54
    42
    68
    38
Question 17
17.
    • Scores of 87 students are given below.
    • Identify the class interval table for the given frequency polygon.
  • (i)
    Score
    70 - 79
    80 - 89
    90 - 99
    100 - 109
    110 - 119
    No. of students
    12
    5
    15
    46
    9
  • (ii)
    Score
    70 - 79
    80 - 89
    90 - 99
    100 - 109
    110 - 119
    No. of students
    12
    14
    15
    46
    5
  • (iii)
    Score
    70 - 79
    80 - 89
    90 - 99
    100 - 109
    110 - 119
    No. of students
    12
    9
    15
    46
    5
  • (iv)
    Score
    70 - 79
    80 - 89
    90 - 99
    100 - 109
    110 - 119
    No. of students
    12
    15
    9
    46
    5
  • (v)
    Score
    70 - 79
    80 - 89
    90 - 99
    100 - 109
    110 - 119
    No. of students
    12
    9
    18
    46
    5
Question 18
18.
    • Given frequency polygon showing the number of heart patients at various age groups, identify the class interval table.
  • (i)
    Age (in years)
    36 - 45
    46 - 55
    56 - 65
    66 - 75
    76 - 85
    No. of heart patients
    7
    26
    27
    13
    16
  • (ii)
    Age (in years)
    36 - 45
    46 - 55
    56 - 65
    66 - 75
    76 - 85
    No. of heart patients
    7
    27
    16
    13
    26
  • (iii)
    Age (in years)
    36 - 45
    46 - 55
    56 - 65
    66 - 75
    76 - 85
    No. of heart patients
    7
    16
    27
    13
    26
  • (iv)
    Age (in years)
    36 - 45
    46 - 55
    56 - 65
    66 - 75
    76 - 85
    No. of heart patients
    7
    11
    27
    13
    26
  • (v)
    Age (in years)
    36 - 45
    46 - 55
    56 - 65
    66 - 75
    76 - 85
    No. of heart patients
    7
    16
    31
    13
    26
Question 19
19.
    • Ages of 131 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)
    15 - 24
    25 - 34
    35 - 44
    45 - 54
    55 - 64
    No. of students
    5
    38
    32
    40
    16
  • (ii)
    Age (in years)
    15 - 24
    25 - 34
    35 - 44
    45 - 54
    55 - 64
    No. of students
    5
    16
    38
    40
    32
  • (iii)
    Age (in years)
    15 - 24
    25 - 34
    35 - 44
    45 - 54
    55 - 64
    No. of students
    5
    32
    33
    40
    16
  • (iv)
    Age (in years)
    15 - 24
    25 - 34
    35 - 44
    45 - 54
    55 - 64
    No. of students
    5
    32
    38
    40
    16
  • (v)
    Age (in years)
    15 - 24
    25 - 34
    35 - 44
    45 - 54
    55 - 64
    No. of students
    5
    28
    38
    40
    16
Question 20
20.
There are certain creatures in a zoo. Find the type of creature that has 315 creatures presense in the zoo.
  • (i)
    Reptiles
  • (ii)
    Wild animals
  • (iii)
    Beast animals
  • (iv)
    Water animals
  • (v)
    Land animals
Question 21
21.
The marks obtained by Raju in his annual exam are shown below. Find the subject that has maximum score.
  • (i)
    Mathematics
  • (ii)
    Sanskrit
  • (iii)
    Telugu
  • (iv)
    Urdu
  • (v)
    Social Studies
Question 22
22.
Heights of 194 plants (in cm) are given below. Identify the class mark table for the given histogram.
  • (i)
    Height (in cm)
    60.5
    68.5
    76.5
    84.5
    92.5
    100.5
    108.5
    No. of plants
    18
    15
    38
    10
    32
    39
    46
  • (ii)
    Height (in cm)
    60.5
    68.5
    76.5
    84.5
    92.5
    100.5
    108.5
    No. of plants
    18
    15
    34
    6
    32
    39
    46
  • (iii)
    Height (in cm)
    60.5
    68.5
    76.5
    84.5
    92.5
    100.5
    108.5
    No. of plants
    18
    15
    38
    6
    32
    39
    46
  • (iv)
    Height (in cm)
    60.5
    68.5
    76.5
    84.5
    92.5
    100.5
    108.5
    No. of plants
    18
    46
    38
    6
    32
    39
    15
  • (v)
    Height (in cm)
    60.5
    68.5
    76.5
    84.5
    92.5
    100.5
    108.5
    No. of plants
    18
    38
    15
    6
    32
    39
    46
Question 23
23.
    • Heights of 149 students (in cm) are given below.
    • Identify the class interval table for the given histogram.
  • (i)
    Height (in cm)
    130 - 138
    138 - 146
    146 - 154
    154 - 162
    162 - 170
    170 - 178
    No. of students
    17
    14
    46
    31
    31
    14
  • (ii)
    Height (in cm)
    130 - 138
    138 - 146
    146 - 154
    154 - 162
    162 - 170
    170 - 178
    No. of students
    17
    46
    14
    27
    31
    14
  • (iii)
    Height (in cm)
    130 - 138
    138 - 146
    146 - 154
    154 - 162
    162 - 170
    170 - 178
    No. of students
    17
    14
    43
    27
    31
    14
  • (iv)
    Height (in cm)
    130 - 138
    138 - 146
    146 - 154
    154 - 162
    162 - 170
    170 - 178
    No. of students
    17
    14
    46
    27
    31
    14
Question 24
24.
    • 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)
    34 - 39
    40 - 45
    46 - 51
    52 - 57
    58 - 63
    64 - 69
    70 - 75
    76 - 81
    No. of doctors
    17
    36
    36
    15
    15
    23
    23
    45
  • (ii)
    Age (in years)
    34 - 39
    40 - 45
    46 - 51
    52 - 57
    58 - 63
    64 - 69
    70 - 75
    76 - 81
    No. of doctors
    17
    36
    19
    36
    15
    23
    23
    45
  • (iii)
    Age (in years)
    34 - 39
    40 - 45
    46 - 51
    52 - 57
    58 - 63
    64 - 69
    70 - 75
    76 - 81
    No. of doctors
    17
    45
    15
    36
    15
    23
    23
    36
  • (iv)
    Age (in years)
    34 - 39
    40 - 45
    46 - 51
    52 - 57
    58 - 63
    64 - 69
    70 - 75
    76 - 81
    No. of doctors
    17
    36
    15
    36
    19
    23
    23
    45
  • (v)
    Age (in years)
    34 - 39
    40 - 45
    46 - 51
    52 - 57
    58 - 63
    64 - 69
    70 - 75
    76 - 81
    No. of doctors
    17
    36
    15
    36
    15
    23
    23
    45
Question 25
25.
    • Scores of 144 students are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Score
    84 - 89
    89 - 94
    94 - 99
    99 - 104
    104 - 109
    109 - 114
    114 - 119
    119 - 124
    No. of students
    5
    20
    36
    20
    11
    5
    28
    23
  • (ii)
    Score
    84 - 89
    89 - 94
    94 - 99
    99 - 104
    104 - 109
    109 - 114
    114 - 119
    119 - 124
    No. of students
    5
    20
    32
    20
    6
    5
    28
    23
  • (iii)
    Score
    84 - 89
    89 - 94
    94 - 99
    99 - 104
    104 - 109
    109 - 114
    114 - 119
    119 - 124
    No. of students
    5
    20
    32
    20
    11
    5
    28
    23
  • (iv)
    Score
    84 - 89
    89 - 94
    94 - 99
    99 - 104
    104 - 109
    109 - 114
    114 - 119
    119 - 124
    No. of students
    5
    23
    32
    20
    11
    5
    28
    20
  • (v)
    Score
    84 - 89
    89 - 94
    94 - 99
    99 - 104
    104 - 109
    109 - 114
    114 - 119
    119 - 124
    No. of students
    5
    20
    20
    32
    11
    5
    28
    23
    Assignment Key
  •  1) (ii)
  •  2) (iv)
  •  3) (v)
  •  4) (i)
  •  5) (i)
  •  6) (v)
  •  7) (i)
  •  8) (ii)
  •  9) (v)
  •  10) (i)
  •  11) (v)
  •  12) (iv)
  •  13) (ii)
  •  14) (i)
  •  15) (i)
  •  16) (i)
  •  17) (iii)
  •  18) (iii)
  •  19) (iv)
  •  20) (v)
  •  21) (iv)
  •  22) (iii)
  •  23) (iv)
  •  24) (v)
  •  25) (iii)