ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade X - Median, Quartiles and Mode
Question 1
1.
    • Heights of 14 students (in cm) are given below. Find the median height.
      • 159
      • 153
      • 128
      • 151
      • 126
      • 158
      • 169
      • 153
      • 130
      • 160
      • 129
      • 168
      • 148
      • 163
  • 151
    cm
  • 154
    cm
  • 155
    cm
  • 152
    cm
  • 153
    cm
Question 2
2.
    • Scores of 14 students are given below. Find the mode score.
      • 87
      • 86
      • 70
      • 78
      • 71
      • 90
      • 72
      • 75
      • 81
      • 78
      • 85
      • 89
      • 74
      • 78
  • 76
  • 79
  • 78
  • 80
  • 77
Question 3
3.
The marks obtained by certain students in a mathematics examination are given below. Estimate the lower quartile.
  • 46.35
  • 38.85
  • 43.85
  • 48.85
  • 41.35
Question 4
4.
    • The following table shows the weights of
    • 52
    • persons in a group.
    • Find the
    • median weight.
    • Weight (in kg)
      40 - 49
      50 - 59
      60 - 69
      70 - 79
      80 - 89
      No. of persons
      10
      5
      14
      11
      12
  • 971
    14
    kg
  • 472
    7
    kg
  • 135
    2
    kg
  • 943
    14
    kg
  • 957
    14
    kg
Question 5
5.
    • A frequency distribution table is given below.
    • Find the
    • median .
    • Class-Interval
      8 - 13
      13 - 18
      18 - 23
      23 - 28
      28 - 33
      33 - 38
      38 - 43
      Frequency
      46
      31
      18
      43
      17
      46
      26
  • 1082
    43
  • 2165
    86
  • 2163
    86
  • 2249
    86
  • 2335
    86
Question 6
6.
    • Ages of 71 students (in years) are shown in the given ogive.
    • Find the number of
    • students
    • whose age is
    • less
    • than
    • 29 years
  • 26
  • 20
  • 25
  • 23
  • 21
Question 7
7.
    • The daily wages of
    • 125
    • workers in a factory are given below.
    • Find the
    • mode wage.
    • Wage (in rupees)
      20 - 28
      29 - 37
      38 - 46
      47 - 55
      56 - 64
      No. of workers
      17
      29
      20
      30
      29
  • ₹
    54.77
  • ₹
    54.73
  • ₹
    56.68
  • ₹
    54.68
  • ₹
    55.68
Question 8
8.
    • The following table shows the weights of
    • 59
    • persons in a group.
    • Find the
    • median weight.
    • Weight (in kg)
      20 - 29
      29 - 38
      38 - 47
      47 - 56
      56 - 65
      65 - 74
      No. of persons
      6
      8
      16
      11
      11
      7
  • 1527
    32
    kg
  • 187
    4
    kg
  • 1495
    32
    kg
  • 1559
    32
    kg
  • 1497
    32
    kg
Question 9
9.
    • In a class test, the marks obtained by
    • 12
    • students are
      • 25
      • 13
      • 37
      • 49
      • 27
      • 23
      • 16
      • 48
      • 49
      • 25
      • 19
      • 14
    • Find the lower quartile.
  • 21
  • 36
  • 28
    3
    4
  • 37
  • 16
Question 10
10.
    • A frequency distribution table is given below.
    • Find the
    • mode .
    • Class-Interval
      5 - 13
      14 - 22
      23 - 31
      32 - 40
      41 - 49
      Frequency
      33
      32
      43
      40
      47
  • 127
    3
  • 131
    3
  • 42
  • 128
    3
  • 125
    3