ICSE Board Practice

ICSE Grade VII - Statistics
Question 1
1.
A survey of 1000 school students was done to knowthe preferred free time activity. Find the activity that has minimum preference.
  • Dancing
  • Reading books
  • Helping parents
  • Painting
  • Playing
Question 2
2.
    • The marks obtained by 15 students in a test are given below. Find the mean of their marks when the marks of each student is increased by 1.
      • 4
      • 10
      • 24
      • 38
      • 10
      • 14
      • 13
      • 34
      • 21
      • 42
      • 21
      • 15
      • 27
      • 36
      • 38
  • 410

    17
  • 24
  • 314

    13
  • 362

    15
  • 364

    15
Question 3
3.
    • Heights of 15 students (in cm) are given below. Find the mean height.
      • 162
      • 169
      • 165
      • 172
      • 129
      • 142
      • 156
      • 164
      • 128
      • 127
      • 148
      • 141
      • 158
      • 153
      • 146
  • 151
    cm
  • 454

    3
    cm
  • 452

    3
    cm
  • 455

    3
    cm
  • 458

    3
    cm
Question 4
4.
The statistical diagram that shows the relative sizes of various parts in the total data is
  • pictograph
  • sectors
  • bar diagram
  • pie-diagram
Question 5
5.
    • Temperatures of 10 days are given below. Find the mean.
    • Temperature (in degree C)
      25
      26
      27
      28
      29
      30
      32
      33
      34
      No. of days
      1
      1
      1
      1
      1
      1
      1
      1
      2
  • 149

    5
    °C
  • 151

    5
    °C
  • 30
    °C
  • 154

    5
    °C
  • 159

    5
    °C
Question 6
6.
The following pie chart gives the data regarding the favourite sport of 720 students of a school. Identify the table for the given pie diagram.
  • Sport
    hockey
    chess
    carroms
    badminton
    running
    football
    No. of students
    207
    126
    108
    54
    162
    63
  • Sport
    hockey
    chess
    carroms
    badminton
    running
    football
    No. of students
    63
    54
    162
    126
    207
    108
  • Sport
    hockey
    chess
    carroms
    badminton
    running
    football
    No. of students
    108
    126
    63
    54
    207
    162
  • Sport
    hockey
    chess
    carroms
    badminton
    running
    football
    No. of students
    63
    162
    54
    126
    108
    207
  • Sport
    hockey
    chess
    carroms
    badminton
    running
    football
    No. of students
    54
    63
    108
    126
    162
    207
Question 7
7.
The total marks obtained by a student in his annual examination is 387. Find the maximum marks.
  • 102
  • 99
  • 97
  • 100
  • 98
Question 8
8.
    • The marks obtained by 14 students in a test are given below. Find the mean of their marks when the marks of each student is doubled.
      • 23
      • 33
      • 42
      • 17
      • 33
      • 48
      • 21
      • 24
      • 30
      • 25
      • 25
      • 7
      • 23
      • 22
  • 375

    7
  • 267

    5
  • 373

    7
  • 53
  • 479

    9
Question 9
9.
Read the column-graph given below. Find the year that has 64 million tonnes food grains production.
  • 2009
  • 2007
  • 2010
  • 2008
  • 2011
Question 10
10.
Shown below is the total food grain production of 370 million tonnes over 5 years. Find the year that has 95 million tonnes food grain production.
  • 2010
  • 2009
  • 2011
  • 2007
  • 2008