ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Statistics
Question 1
1.
    • The following table gives the data regarding
    • the favourite sport of
    • 168
    • students of a school.
    • Find number of students who like
    • volleyball
    • .
    • Sport
      boxing
      tennis
      kabaddi
      high jump
      long jump
      carroms
      volleyball
      No. of Students
      31
      24
      26
      18
      43
      15
      11
  • 12
  • 14
  • 11
  • 10
  • 9
Question 2
2.
    • If the upper and lower limit of class interval are 18 and 14 respectively, then the class interval is
  • 13.5
    -
    18
  • 13.5
    -
    18.5
  • 14
    -
    18
  • 14.5
    -
    17.5
  • 14
    -
    18.5
Question 3
3.
    • The following frequency distribution table gives
    • the monthly consumption of electricity of
    • 98
    • consumers in a locality.
    • Find the
    • mean units.
    • Monthly consumption (in units)
      77 - 97
      97 - 117
      117 - 137
      137 - 157
      157 - 177
      177 - 197
      No. of consumers
      14
      13
      16
      12
      23
      20
  • 1000
    7
    units
  • 999
    7
    units
  • 1013
    7
    units
  • 143
    units
  • 1006
    7
    units
Question 4
4.
Following bar graph gives the average temperature of a place during a week. Find the day that has maximum temperature.
  • Sun.
  • Thurs.
  • Tues.
  • Mon.
  • Wed.
Question 5
5.
There are certain creatures in a zoo. Find the type of creature that has minimum presense in the zoo.
  • Reptiles
  • Water animals
  • Beast animals
  • Domestic animals
  • Wild animals
Question 6
6.
    • In exclusive form representation, the observation
    • 43
    • falls in which class?
  • 53
    -
    63
  • 33
    -
    43
  • 48
    -
    58
  • 38
    -
    43
  • 43
    -
    53
Question 7
7.
    • Given the mean of
    • 12
    • samples as
    • 4
      1
      12
    • ,
    • what is the new mean if two samples
    • 1
    • and
    • 2
    • are removed ?
  • 31
    7
  • 23
    5
  • 5
  • 21
    5
Question 8
8.
    • Convert the discontinuous form of the class interval 38 - 44 to continuous form
  • 37
    -
    44.5
  • 37.5
    -
    45
  • 37.5
    -
    44.5
  • 38
    -
    44
  • 37
    -
    45
Question 9
9.
    • Scores of 13 students are given below. Find the mode score.
      • 81
      • 77
      • 80
      • 76
      • 88
      • 84
      • 77
      • 85
      • 71
      • 85
      • 83
      • 73
      • 77
  • 79
  • 78
  • 77
  • 76
  • 75
Question 10
10.
    • The marks obtained by
    • 15
    • students in an examination are given below.
    • Represent the data in the form of a frequency distribution table
    • in inclusive form
    • taking class size
    • 6
    • .
      • 79
      • 45
      • 48
      • 51
      • 60
      • 75
      • 50
      • 68
      • 42
      • 61
      • 65
      • 76
      • 77
      • 43
      • 47
  • Marks
    42 - 47
    48 - 53
    54 - 59
    60 - 65
    66 - 71
    72 - 77
    78 - 83
    No. of Students
    4
    3
    0
    3
    1
    3
    1
  • Marks
    42 - 47
    48 - 53
    54 - 59
    60 - 65
    66 - 71
    72 - 77
    78 - 83
    No. of Students
    4
    1
    0
    3
    1
    3
    3
  • Marks
    42 - 47
    48 - 53
    54 - 59
    60 - 65
    66 - 71
    72 - 77
    78 - 83
    No. of Students
    4
    3
    4
    3
    1
    3
    1
  • Marks
    42 - 47
    48 - 53
    54 - 59
    60 - 65
    66 - 71
    72 - 77
    78 - 83
    No. of Students
    4
    0
    3
    3
    1
    3
    1
  • Marks
    42 - 47
    48 - 53
    54 - 59
    60 - 65
    66 - 71
    72 - 77
    78 - 83
    No. of Students
    4
    3
    0
    7
    1
    3
    1