ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade IX - Frequency Distribution
Question 1
1.
    • In inclusive form representation, the observation
    • 29
    • falls in which class?
  • 9
    -
    19
  • 30
    -
    39
  • 14
    -
    24
  • 19
    -
    29
  • 18
    -
    28
Question 2
2.
    • Convert the inclusive form of the class interval 46 - 49 to exclusive form
  • 45.5
    -
    50
  • 45
    -
    49.5
  • 46
    -
    49
  • 45
    -
    50
  • 45.5
    -
    49.5
Question 3
3.
Which of the following are continuous variables?
a)
Rainfall at a place over a month
b)
Population of cities
c)
Weights of persons in a group
d)
Marks obtained by student in a particular subject
e)
Number of members in a family
  • {d,c,a}
  • {b,a}
  • {e,b,a}
  • {a,c}
  • {d,c}
Question 4
4.
    • Given class interval
    • 44
    • -
    • 46
    • in exclusive form, its
    • class size is
  • 0
  • 2
  • 5
  • 1
  • 3
Question 5
5.
    • Construct a frequency distribution table from the following cumulative frequency distribution
    • Class-Interval
      Cumulative Frequency
      36 - 45
      13
      45 - 54
      23
      54 - 63
      36
      63 - 72
      41
      72 - 81
      51
      81 - 90
      66
      90 - 99
      80
  • Class-Interval
    36 - 45
    45 - 54
    54 - 63
    63 - 72
    72 - 81
    81 - 90
    90 - 99
    Frequency
    13
    10
    13
    5
    10
    15
    14
  • Class-Interval
    36 - 45
    45 - 54
    54 - 63
    63 - 72
    72 - 81
    81 - 90
    90 - 99
    Frequency
    13
    10
    17
    5
    10
    15
    14
  • Class-Interval
    36 - 45
    45 - 54
    54 - 63
    63 - 72
    72 - 81
    81 - 90
    90 - 99
    Frequency
    13
    14
    13
    5
    10
    15
    10
  • Class-Interval
    36 - 45
    45 - 54
    54 - 63
    63 - 72
    72 - 81
    81 - 90
    90 - 99
    Frequency
    13
    10
    13
    9
    10
    15
    14
  • Class-Interval
    36 - 45
    45 - 54
    54 - 63
    63 - 72
    72 - 81
    81 - 90
    90 - 99
    Frequency
    13
    13
    10
    5
    10
    15
    14
Question 6
6.
    • Given class interval
    • 21
    • -
    • 29
    • in exclusive form, its
    • lower limit is
  • 23
  • 19
  • 20
  • 21
  • 22
Question 7
7.
    • Given class interval
    • 43
    • -
    • 48
    • in exclusive form, its
    • mid value is
  • 46
  • 89
    2
  • 93
    2
  • 181
    4
  • 91
    2
Question 8
8.
    • The class boundaries of 27 - 37 which is in inclusive form are
  • 27
    -
    37
  • 26
    -
    38
  • 26.5
    -
    38
  • 26
    -
    37.5
  • 26.5
    -
    37.5
Question 9
9.
    • Following are the ages (in years) of patients getting medical treatment in a hospital. Identify the cumulative frequency of the given grouped data.
    • Age (in years)
      20 - 25
      26 - 31
      32 - 37
      38 - 43
      44 - 49
      50 - 55
      No. of Patients
      87
      18
      90
      26
      37
      79
  • Age (in years)
    Cumulative Frequency
    20 - 25
    87
    26 - 31
    105
    32 - 37
    195
    38 - 43
    216
    44 - 49
    253
    50 - 55
    332
  • Age (in years)
    Cumulative Frequency
    20 - 25
    87
    26 - 31
    177
    32 - 37
    195
    38 - 43
    221
    44 - 49
    258
    50 - 55
    337
  • Age (in years)
    Cumulative Frequency
    20 - 25
    87
    26 - 31
    105
    32 - 37
    197
    38 - 43
    223
    44 - 49
    260
    50 - 55
    339
  • Age (in years)
    Cumulative Frequency
    20 - 25
    87
    26 - 31
    166
    32 - 37
    256
    38 - 43
    282
    44 - 49
    319
    50 - 55
    337
  • Age (in years)
    Cumulative Frequency
    20 - 25
    87
    26 - 31
    105
    32 - 37
    195
    38 - 43
    221
    44 - 49
    258
    50 - 55
    337
Question 10
10.
    • The class mark of the class with frequency x is
    • Class-Interval
      Frequency
      10 - 20
      23
      21 - 31
      x
      32 - 42
      19
      43 - 53
      16
      54 - 64
      4
  • 28
  • 25
  • 23
  • 27
  • 26