ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade IX - Frequency Distribution
Question 1
1.
    • The upper limit of the class with frequency x is
    • Class-Interval
      Frequency
      49 - 57
      x
      57 - 65
      24
      65 - 73
      17
      73 - 81
      28
      81 - 89
      4
  • 57
  • 55
  • 58
  • 59
  • 56
Question 2
2.
    • Given class interval
    • 37
    • -
    • 40
    • in exclusive form, its
    • mid value is
  • 79
    2
  • 39
  • 77
    2
  • 153
    4
  • 75
    2
Question 3
3.
    • The sale of shirts of various sizes at a shop on a particular day is given below. Identify the frequency distribution table for the given data.
      • 36
      • 25
      • 29
      • 22
      • 28
      • 26
      • 33
      • 28
      • 20
      • 20
      • 23
      • 27
      • 35
      • 32
      • 38
      • 31
      • 37
      • 35
      • 23
      • 20
      • 33
      • 37
  • Size
    21
    25
    26
    27
    29
    31
    32
    34
    35
    38
    39
    40
    No. of Shirts
    4
    2
    1
    2
    2
    3
    1
    1
    1
    2
    1
    2
  • Size
    20
    22
    23
    28
    29
    31
    34
    35
    37
    39
    No. of Shirts
    4
    2
    2
    2
    1
    3
    2
    1
    3
    2
  • Size
    20
    22
    23
    25
    26
    27
    28
    29
    31
    32
    33
    35
    36
    37
    38
    No. of Shirts
    3
    1
    2
    1
    1
    1
    2
    1
    1
    1
    2
    2
    1
    2
    1
  • Size
    20
    22
    23
    25
    26
    27
    28
    29
    31
    32
    33
    35
    36
    37
    38
    No. of Shirts
    3
    1
    2
    1
    1
    1
    2
    2
    1
    1
    2
    1
    1
    2
    1
Question 4
4.
    • The class boundaries of the class with frequency x is
    • Class-Interval
      Frequency
      27 - 33
      3
      33 - 39
      3
      39 - 45
      x
      45 - 51
      29
      51 - 57
      5
  • 38.5
    -
    45
  • 39
    -
    45
  • 39.5
    -
    44.5
  • 38.5
    -
    45.5
  • 39
    -
    45.5
Question 5
5.
    • The daily wages (in rupees) of
    • 20
    • workers in a factory are given below.
    • Represent the data in the form of a frequency distribution
    • in exclusive form
    • taking class size
    • 30
    • .
      • 282
      • 200
      • 207
      • 280
      • 297
      • 288
      • 290
      • 201
      • 299
      • 274
      • 228
      • 233
      • 288
      • 294
      • 226
      • 233
      • 260
      • 284
      • 258
      • 203
  • Wages (in rupees)
    200 - 230
    230 - 260
    260 - 290
    290 - 320
    No. of Workers
    6
    3
    7
    4
  • Wages (in rupees)
    200 - 230
    230 - 260
    260 - 290
    290 - 320
    No. of Workers
    4
    3
    7
    6
  • Wages (in rupees)
    200 - 230
    230 - 260
    260 - 290
    290 - 320
    No. of Workers
    6
    7
    7
    4
  • Wages (in rupees)
    200 - 230
    230 - 260
    260 - 290
    290 - 320
    No. of Workers
    6
    3
    4
    4
  • Wages (in rupees)
    200 - 230
    230 - 260
    260 - 290
    290 - 320
    No. of Workers
    6
    7
    3
    4
Question 6
6.
    • Given class interval
    • 10
    • -
    • 18
    • in exclusive form, its
    • lower limit is
  • 9
  • 10
  • 7
  • 12
  • 11
Question 7
7.
    • The mid value of the class with frequency x is
    • Class-Interval
      Frequency
      6 - 11
      23
      12 - 17
      10
      18 - 23
      26
      24 - 29
      x
      30 - 35
      18
  • 105
    4
  • 27
  • 53
    2
  • 51
    2
  • 55
    2
Question 8
8.
    • Convert the continuous form of the class interval 17.5 - 25.5 to discontinuous form
  • 18.5
    -
    24.5
  • 18
    -
    25
  • 17.5
    -
    25.5
  • 17.5
    -
    25
  • 18
    -
    25.5
Question 9
9.
Which of the following are discontinuous variables?
a)
Number of workers in a factory.
b)
Wages of workers in a factory.
c)
Number of members in a family.
d)
Heights of children in a class.
e)
Weights of persons in a group.
  • {d,c}
  • {b,a}
  • {e,b,a}
  • {a,c}
  • {d,c,a}
Question 10
10.
Which of the following class intervals are in exclusive form?
a)
60 - 69 , 70 - 79 , 80 - 89,...
b)
29.5 - 39.5 , 39.5 - 49.5 , 49.5 - 59.5...
c)
57 - 66 , 66 - 75 , 75 - 84...
d)
30 - 39 , 40 - 49 , 50 - 59,...
e)
30 - 39 , 39 - 48 , 48 - 57,...
  • {b,c,e}
  • {a,d,e}
  • {d,c}
  • {a,b}
  • {a,b,c}