EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Graphical Representation of Statistical Data
Grade : ICSE Grade IX
License : Non Commercial Use
Question 1
1.
    • Weights of 150 students (in kg) are given below.
    • Identify the class interval table for the given frequency polygon.
  • (i)
    Weight (in kg)
    42 - 51
    51 - 60
    60 - 69
    69 - 78
    78 - 87
    87 - 96
    No. of students
    26
    17
    43
    18
    16
    34
  • (ii)
    Weight (in kg)
    42 - 51
    51 - 60
    60 - 69
    69 - 78
    78 - 87
    87 - 96
    No. of students
    26
    39
    17
    18
    16
    34
  • (iii)
    Weight (in kg)
    42 - 51
    51 - 60
    60 - 69
    69 - 78
    78 - 87
    87 - 96
    No. of students
    26
    34
    39
    18
    16
    17
  • (iv)
    Weight (in kg)
    42 - 51
    51 - 60
    60 - 69
    69 - 78
    78 - 87
    87 - 96
    No. of students
    26
    17
    39
    20
    16
    34
  • (v)
    Weight (in kg)
    42 - 51
    51 - 60
    60 - 69
    69 - 78
    78 - 87
    87 - 96
    No. of students
    26
    17
    39
    18
    16
    34
Question 2
2.
Rainfall of 150 days (in mm) are given below. Identify the class mark table for the given histogram.
  • (i)
    Rainfall (in mm)
    14
    22
    30
    38
    46
    54
    No. of days
    39
    45
    15
    13
    20
    13
  • (ii)
    Rainfall (in mm)
    14
    22
    30
    38
    46
    54
    No. of days
    39
    45
    11
    18
    20
    13
  • (iii)
    Rainfall (in mm)
    14
    22
    30
    38
    46
    54
    No. of days
    39
    15
    45
    18
    20
    13
  • (iv)
    Rainfall (in mm)
    14
    22
    30
    38
    46
    54
    No. of days
    39
    13
    15
    18
    20
    45
  • (v)
    Rainfall (in mm)
    14
    22
    30
    38
    46
    54
    No. of days
    39
    45
    15
    18
    20
    13
Question 3
3.
Scores of 230 students are given below. Identify the class mark table for the given histogram.
  • (i)
    Score
    49
    55
    61
    67
    73
    79
    85
    No. of students
    36
    49
    14
    12
    43
    27
    49
  • (ii)
    Score
    49
    55
    61
    67
    73
    79
    85
    No. of students
    36
    14
    45
    12
    43
    27
    49
  • (iii)
    Score
    49
    55
    61
    67
    73
    79
    85
    No. of students
    36
    49
    49
    12
    43
    27
    14
  • (iv)
    Score
    49
    55
    61
    67
    73
    79
    85
    No. of students
    36
    14
    49
    12
    43
    27
    49
  • (v)
    Score
    49
    55
    61
    67
    73
    79
    85
    No. of students
    36
    14
    49
    16
    43
    27
    49
Question 4
4.
    • Scores of 178 students are given below.
    • Identify the class interval table for the given histogram and frequency polygon on the same graph.
  • (i)
    Score
    82 - 90
    91 - 99
    100 - 108
    109 - 117
    118 - 126
    No. of students
    45
    48
    23
    29
    33
  • (ii)
    Score
    82 - 90
    91 - 99
    100 - 108
    109 - 117
    118 - 126
    No. of students
    45
    48
    28
    29
    33
  • (iii)
    Score
    82 - 90
    91 - 99
    100 - 108
    109 - 117
    118 - 126
    No. of students
    45
    23
    48
    29
    33
  • (iv)
    Score
    82 - 90
    91 - 99
    100 - 108
    109 - 117
    118 - 126
    No. of students
    45
    50
    23
    29
    33
  • (v)
    Score
    82 - 90
    91 - 99
    100 - 108
    109 - 117
    118 - 126
    No. of students
    45
    33
    23
    29
    48
Question 5
5.
Heights of 225 plants (in cm) are given below. Identify the class mark table for the given histogram.
  • (i)
    Height (in cm)
    69.5
    79.5
    89.5
    99.5
    109.5
    119.5
    129.5
    No. of plants
    35
    25
    48
    29
    39
    11
    38
  • (ii)
    Height (in cm)
    69.5
    79.5
    89.5
    99.5
    109.5
    119.5
    129.5
    No. of plants
    35
    48
    20
    29
    39
    11
    38
  • (iii)
    Height (in cm)
    69.5
    79.5
    89.5
    99.5
    109.5
    119.5
    129.5
    No. of plants
    35
    48
    25
    29
    39
    11
    38
  • (iv)
    Height (in cm)
    69.5
    79.5
    89.5
    99.5
    109.5
    119.5
    129.5
    No. of plants
    35
    38
    25
    29
    39
    11
    48
  • (v)
    Height (in cm)
    69.5
    79.5
    89.5
    99.5
    109.5
    119.5
    129.5
    No. of plants
    35
    48
    25
    31
    39
    11
    38
Question 6
6.
    • Heights of 224 students (in cm) are given below.
    • Identify the class interval table for the given histogram.
  • (i)
    Height (in cm)
    123 - 129
    129 - 135
    135 - 141
    141 - 147
    147 - 153
    153 - 159
    159 - 165
    165 - 171
    No. of students
    36
    26
    17
    9
    29
    44
    39
    21
  • (ii)
    Height (in cm)
    123 - 129
    129 - 135
    135 - 141
    141 - 147
    147 - 153
    153 - 159
    159 - 165
    165 - 171
    No. of students
    36
    21
    17
    9
    32
    44
    39
    26
  • (iii)
    Height (in cm)
    123 - 129
    129 - 135
    135 - 141
    141 - 147
    147 - 153
    153 - 159
    159 - 165
    165 - 171
    No. of students
    36
    26
    17
    9
    32
    44
    39
    21
  • (iv)
    Height (in cm)
    123 - 129
    129 - 135
    135 - 141
    141 - 147
    147 - 153
    153 - 159
    159 - 165
    165 - 171
    No. of students
    36
    26
    20
    9
    32
    44
    39
    21
  • (v)
    Height (in cm)
    123 - 129
    129 - 135
    135 - 141
    141 - 147
    147 - 153
    153 - 159
    159 - 165
    165 - 171
    No. of students
    36
    26
    9
    17
    32
    44
    39
    21
Question 7
7.
    • Rainfall of 260 days (in mm) are given below.
    • Identify the class interval table for the given histogram.
  • (i)
    Rainfall (in mm)
    7 - 15
    16 - 24
    25 - 33
    34 - 42
    43 - 51
    52 - 60
    61 - 69
    No. of days
    33
    22
    44
    47
    50
    32
    32
  • (ii)
    Rainfall (in mm)
    7 - 15
    16 - 24
    25 - 33
    34 - 42
    43 - 51
    52 - 60
    61 - 69
    No. of days
    33
    44
    22
    47
    50
    32
    32
  • (iii)
    Rainfall (in mm)
    7 - 15
    16 - 24
    25 - 33
    34 - 42
    43 - 51
    52 - 60
    61 - 69
    No. of days
    33
    22
    44
    50
    50
    32
    32
  • (iv)
    Rainfall (in mm)
    7 - 15
    16 - 24
    25 - 33
    34 - 42
    43 - 51
    52 - 60
    61 - 69
    No. of days
    33
    22
    41
    47
    50
    32
    32
  • (v)
    Rainfall (in mm)
    7 - 15
    16 - 24
    25 - 33
    34 - 42
    43 - 51
    52 - 60
    61 - 69
    No. of days
    33
    32
    44
    47
    50
    32
    22
Question 8
8.
    • Ages of 101 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
    No. of students
    44
    11
    8
    22
    14
    7
  • (ii)
    Age (in years)
    20 - 25
    26 - 31
    32 - 37
    38 - 43
    44 - 49
    50 - 55
    No. of students
    44
    11
    8
    17
    14
    7
  • (iii)
    Age (in years)
    20 - 25
    26 - 31
    32 - 37
    38 - 43
    44 - 49
    50 - 55
    No. of students
    44
    8
    11
    17
    14
    7
  • (iv)
    Age (in years)
    20 - 25
    26 - 31
    32 - 37
    38 - 43
    44 - 49
    50 - 55
    No. of students
    44
    7
    8
    17
    14
    11
  • (v)
    Age (in years)
    20 - 25
    26 - 31
    32 - 37
    38 - 43
    44 - 49
    50 - 55
    No. of students
    44
    11
    13
    17
    14
    7
Question 9
9.
Fans of two cricketers Dhawan and Bhuvaneshwar claim that their star scored better than the other's. They made comparision on the basis of last 5 matches as shown in the bar diagram. Identify the table for the given bar diagram.
  • (i)
    Matches
    first
    second
    third
    fourth
    fifth
    Dhawan
    27
    82
    61
    75
    20
    Bhuvaneshwar
    97
    82
    84
    78
    69
  • (ii)
    Matches
    first
    second
    third
    fourth
    fifth
    Dhawan
    27
    82
    61
    82
    20
    Bhuvaneshwar
    97
    82
    84
    78
    69
  • (iii)
    Matches
    first
    second
    third
    fourth
    fifth
    Dhawan
    27
    90
    61
    75
    20
    Bhuvaneshwar
    97
    75
    84
    78
    69
  • (iv)
    Matches
    first
    second
    third
    fourth
    fifth
    Dhawan
    27
    82
    61
    75
    20
    Bhuvaneshwar
    97
    82
    84
    78
    63
  • (v)
    Matches
    first
    second
    third
    fourth
    fifth
    Dhawan
    97
    82
    90
    78
    69
    Bhuvaneshwar
    27
    82
    53
    75
    20
Question 10
10.
    • Given frequency polygon showing the number of heart patients at various age groups, identify the class interval table.
  • (i)
    Age (in years)
    28 - 32
    33 - 37
    38 - 42
    43 - 47
    48 - 52
    53 - 57
    58 - 62
    No. of heart patients
    23
    24
    9
    21
    17
    15
    15
  • (ii)
    Age (in years)
    28 - 32
    33 - 37
    38 - 42
    43 - 47
    48 - 52
    53 - 57
    58 - 62
    No. of heart patients
    23
    24
    12
    25
    17
    15
    15
  • (iii)
    Age (in years)
    28 - 32
    33 - 37
    38 - 42
    43 - 47
    48 - 52
    53 - 57
    58 - 62
    No. of heart patients
    23
    24
    12
    21
    17
    15
    15
  • (iv)
    Age (in years)
    28 - 32
    33 - 37
    38 - 42
    43 - 47
    48 - 52
    53 - 57
    58 - 62
    No. of heart patients
    23
    15
    12
    21
    17
    15
    24
  • (v)
    Age (in years)
    28 - 32
    33 - 37
    38 - 42
    43 - 47
    48 - 52
    53 - 57
    58 - 62
    No. of heart patients
    23
    12
    24
    21
    17
    15
    15
Question 11
11.
In a study of heart patients, the following observations are obtained. Identify the class interval table for the given histogram.
  • (i)
    Age (in years)
    33 - 36
    36 - 39
    39 - 42
    42 - 45
    45 - 48
    No. of Patients
    46
    33
    41
    35
    21
  • (ii)
    Age (in years)
    33 - 36
    36 - 39
    39 - 42
    42 - 45
    45 - 48
    No. of Patients
    46
    41
    21
    35
    33
  • (iii)
    Age (in years)
    33 - 36
    36 - 39
    39 - 42
    42 - 45
    45 - 48
    No. of Patients
    46
    21
    36
    35
    33
  • (iv)
    Age (in years)
    33 - 36
    36 - 39
    39 - 42
    42 - 45
    45 - 48
    No. of Patients
    46
    21
    41
    35
    33
  • (v)
    Age (in years)
    33 - 36
    36 - 39
    39 - 42
    42 - 45
    45 - 48
    No. of Patients
    46
    18
    41
    35
    33
Question 12
12.
On a certain day, the temperature in a city was recorded as shown below. Find the time that has 22 °C temperature.
  • (i)
    9 a.m.
  • (ii)
    3 p.m.
  • (iii)
    11 a.m.
  • (iv)
    5 a.m.
  • (v)
    5 p.m.
Question 13
13.
    • Weights of 179 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)
    46 - 55
    56 - 65
    66 - 75
    76 - 85
    86 - 95
    No. of students
    44
    29
    38
    43
    23
  • (ii)
    Weight (in kg)
    46 - 55
    56 - 65
    66 - 75
    76 - 85
    86 - 95
    No. of students
    44
    29
    40
    43
    23
  • (iii)
    Weight (in kg)
    46 - 55
    56 - 65
    66 - 75
    76 - 85
    86 - 95
    No. of students
    44
    25
    40
    43
    23
  • (iv)
    Weight (in kg)
    46 - 55
    56 - 65
    66 - 75
    76 - 85
    86 - 95
    No. of students
    44
    40
    29
    43
    23
  • (v)
    Weight (in kg)
    46 - 55
    56 - 65
    66 - 75
    76 - 85
    86 - 95
    No. of students
    44
    23
    40
    43
    29
Question 14
14.
1584 students of a school use different modes of travel to school. Identify the table for the given bar diagram.
  • (i)
    Mode of travel
    School Van
    Moped
    School Bus
    Scooter
    Bicycle
    By Foot
    Auto
    No. of students
    306
    135
    279
    342
    162
    207
    153
  • (ii)
    Mode of travel
    School Van
    Moped
    School Bus
    Scooter
    Bicycle
    By Foot
    Auto
    No. of students
    207
    279
    135
    162
    153
    306
    342
  • (iii)
    Mode of travel
    School Van
    Moped
    School Bus
    Scooter
    Bicycle
    By Foot
    Auto
    No. of students
    342
    207
    162
    135
    279
    153
    306
  • (iv)
    Mode of travel
    School Van
    Moped
    School Bus
    Scooter
    Bicycle
    By Foot
    Auto
    No. of students
    279
    342
    135
    162
    153
    306
    207
  • (v)
    Mode of travel
    School Van
    Moped
    School Bus
    Scooter
    Bicycle
    By Foot
    Auto
    No. of students
    279
    135
    162
    306
    153
    342
    207
Question 15
15.
Following bar graph gives the average temperature of a place during a week. Find the day that has 20 °C temperature.
  • (i)
    Mon.
  • (ii)
    Sun.
  • (iii)
    Sat.
  • (iv)
    Wed.
  • (v)
    Thurs.
Question 16
16.
Students of a certain locality use different modes of travel to school as given below. Find the mode of travel that has minimum students.
  • (i)
    Scooter
  • (ii)
    Auto
  • (iii)
    Moped
  • (iv)
    RTC Bus
  • (v)
    Bicycle
Question 17
17.
    • The daily pocket expenses of 86 students in a school are given below.
    • Identify the class interval table for the given frequency polygon.
  • (i)
    Pocket expense (in rupees)
    0 - 10
    10 - 20
    20 - 30
    30 - 40
    40 - 50
    No. of students
    26
    15
    19
    18
    8
  • (ii)
    Pocket expense (in rupees)
    0 - 10
    10 - 20
    20 - 30
    30 - 40
    40 - 50
    No. of students
    26
    12
    19
    18
    8
  • (iii)
    Pocket expense (in rupees)
    0 - 10
    10 - 20
    20 - 30
    30 - 40
    40 - 50
    No. of students
    26
    15
    21
    18
    8
  • (iv)
    Pocket expense (in rupees)
    0 - 10
    10 - 20
    20 - 30
    30 - 40
    40 - 50
    No. of students
    26
    19
    15
    18
    8
  • (v)
    Pocket expense (in rupees)
    0 - 10
    10 - 20
    20 - 30
    30 - 40
    40 - 50
    No. of students
    26
    8
    19
    18
    15
Question 18
18.
    • Ages of 176 students (in years) are given below.
    • Identify the class interval table for the given histogram.
  • (i)
    Age (in years)
    16 - 25
    25 - 34
    34 - 43
    43 - 52
    52 - 61
    61 - 70
    No. of students
    40
    39
    13
    26
    36
    20
  • (ii)
    Age (in years)
    16 - 25
    25 - 34
    34 - 43
    43 - 52
    52 - 61
    61 - 70
    No. of students
    40
    15
    39
    26
    36
    20
  • (iii)
    Age (in years)
    16 - 25
    25 - 34
    34 - 43
    43 - 52
    52 - 61
    61 - 70
    No. of students
    40
    39
    15
    22
    36
    20
  • (iv)
    Age (in years)
    16 - 25
    25 - 34
    34 - 43
    43 - 52
    52 - 61
    61 - 70
    No. of students
    40
    39
    15
    26
    36
    20
  • (v)
    Age (in years)
    16 - 25
    25 - 34
    34 - 43
    43 - 52
    52 - 61
    61 - 70
    No. of students
    40
    20
    15
    26
    36
    39
Question 19
19.
Read the column-graph given below. Find the year that has minimum food grains production.
  • (i)
    2008
  • (ii)
    2009
  • (iii)
    2007
  • (iv)
    2010
  • (v)
    2011
Question 20
20.
    • Heights of 232 plants (in cm) are given below.
    • Identify the class interval table for the given frequency polygon.
  • (i)
    Height (in cm)
    55 - 61
    62 - 68
    69 - 75
    76 - 82
    83 - 89
    90 - 96
    97 - 103
    No. of plants
    39
    19
    31
    47
    32
    44
    20
  • (ii)
    Height (in cm)
    55 - 61
    62 - 68
    69 - 75
    76 - 82
    83 - 89
    90 - 96
    97 - 103
    No. of plants
    39
    31
    20
    47
    32
    44
    19
  • (iii)
    Height (in cm)
    55 - 61
    62 - 68
    69 - 75
    76 - 82
    83 - 89
    90 - 96
    97 - 103
    No. of plants
    39
    20
    31
    47
    32
    44
    19
  • (iv)
    Height (in cm)
    55 - 61
    62 - 68
    69 - 75
    76 - 82
    83 - 89
    90 - 96
    97 - 103
    No. of plants
    39
    20
    27
    47
    32
    44
    19
  • (v)
    Height (in cm)
    55 - 61
    62 - 68
    69 - 75
    76 - 82
    83 - 89
    90 - 96
    97 - 103
    No. of plants
    39
    20
    31
    44
    32
    44
    19
Question 21
21.
    • Rainfall of 216 days (in mm) are given below.
    • Identify the class interval table for the given histogram.
  • (i)
    Rainfall (in mm)
    7 - 17
    17 - 27
    27 - 37
    37 - 47
    47 - 57
    57 - 67
    67 - 77
    77 - 87
    No. of days
    29
    30
    45
    7
    17
    21
    12
    50
  • (ii)
    Rainfall (in mm)
    7 - 17
    17 - 27
    27 - 37
    37 - 47
    47 - 57
    57 - 67
    67 - 77
    77 - 87
    No. of days
    29
    30
    49
    7
    22
    21
    12
    50
  • (iii)
    Rainfall (in mm)
    7 - 17
    17 - 27
    27 - 37
    37 - 47
    47 - 57
    57 - 67
    67 - 77
    77 - 87
    No. of days
    29
    30
    7
    45
    22
    21
    12
    50
  • (iv)
    Rainfall (in mm)
    7 - 17
    17 - 27
    27 - 37
    37 - 47
    47 - 57
    57 - 67
    67 - 77
    77 - 87
    No. of days
    29
    50
    45
    7
    22
    21
    12
    30
  • (v)
    Rainfall (in mm)
    7 - 17
    17 - 27
    27 - 37
    37 - 47
    47 - 57
    57 - 67
    67 - 77
    77 - 87
    No. of days
    29
    30
    45
    7
    22
    21
    12
    50
Question 22
22.
    • 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)
    29 - 36
    36 - 43
    43 - 50
    50 - 57
    57 - 64
    64 - 71
    No. of doctors
    32
    49
    25
    7
    35
    13
  • (ii)
    Age (in years)
    29 - 36
    36 - 43
    43 - 50
    50 - 57
    57 - 64
    64 - 71
    No. of doctors
    32
    49
    30
    10
    35
    13
  • (iii)
    Age (in years)
    29 - 36
    36 - 43
    43 - 50
    50 - 57
    57 - 64
    64 - 71
    No. of doctors
    32
    49
    25
    10
    35
    13
  • (iv)
    Age (in years)
    29 - 36
    36 - 43
    43 - 50
    50 - 57
    57 - 64
    64 - 71
    No. of doctors
    32
    13
    25
    10
    35
    49
  • (v)
    Age (in years)
    29 - 36
    36 - 43
    43 - 50
    50 - 57
    57 - 64
    64 - 71
    No. of doctors
    32
    25
    49
    10
    35
    13
Question 23
23.
The marks obtained by Arun in his annual exam are shown below. Find the subject that has maximum score.
  • (i)
    Urdu
  • (ii)
    Telugu
  • (iii)
    Sanskrit
  • (iv)
    Biology
  • (v)
    Mathematics
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)
    35 - 40
    41 - 46
    47 - 52
    53 - 58
    59 - 64
    65 - 70
    71 - 76
    77 - 82
    No. of doctors
    25
    14
    17
    47
    44
    36
    17
    10
  • (ii)
    Age (in years)
    35 - 40
    41 - 46
    47 - 52
    53 - 58
    59 - 64
    65 - 70
    71 - 76
    77 - 82
    No. of doctors
    25
    10
    17
    47
    40
    36
    17
    14
  • (iii)
    Age (in years)
    35 - 40
    41 - 46
    47 - 52
    53 - 58
    59 - 64
    65 - 70
    71 - 76
    77 - 82
    No. of doctors
    25
    10
    47
    17
    44
    36
    17
    14
  • (iv)
    Age (in years)
    35 - 40
    41 - 46
    47 - 52
    53 - 58
    59 - 64
    65 - 70
    71 - 76
    77 - 82
    No. of doctors
    25
    10
    21
    47
    44
    36
    17
    14
  • (v)
    Age (in years)
    35 - 40
    41 - 46
    47 - 52
    53 - 58
    59 - 64
    65 - 70
    71 - 76
    77 - 82
    No. of doctors
    25
    10
    17
    47
    44
    36
    17
    14
Question 25
25.
    • 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)
    156 - 162
    163 - 169
    170 - 176
    177 - 183
    184 - 190
    191 - 197
    No. of weeks
    7
    10
    6
    10
    6
    5
  • (ii)
    Cost of living index (in rupees)
    156 - 162
    163 - 169
    170 - 176
    177 - 183
    184 - 190
    191 - 197
    No. of weeks
    7
    6
    15
    10
    6
    5
  • (iii)
    Cost of living index (in rupees)
    156 - 162
    163 - 169
    170 - 176
    177 - 183
    184 - 190
    191 - 197
    No. of weeks
    7
    6
    10
    10
    6
    5
  • (iv)
    Cost of living index (in rupees)
    156 - 162
    163 - 169
    170 - 176
    177 - 183
    184 - 190
    191 - 197
    No. of weeks
    7
    5
    10
    10
    6
    6
  • (v)
    Cost of living index (in rupees)
    156 - 162
    163 - 169
    170 - 176
    177 - 183
    184 - 190
    191 - 197
    No. of weeks
    7
    6
    10
    12
    6
    5
    Assignment Key
  •  1) (v)
  •  2) (v)
  •  3) (iv)
  •  4) (i)
  •  5) (iii)
  •  6) (iii)
  •  7) (i)
  •  8) (ii)
  •  9) (i)
  •  10) (iii)
  •  11) (iv)
  •  12) (ii)
  •  13) (ii)
  •  14) (v)
  •  15) (i)
  •  16) (ii)
  •  17) (i)
  •  18) (iv)
  •  19) (iv)
  •  20) (iii)
  •  21) (v)
  •  22) (iii)
  •  23) (i)
  •  24) (v)
  •  25) (iii)