ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VII - Statistics
Question 1
1.
    • 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 2.
      • 40
      • 23
      • 25
      • 13
      • 40
      • 47
      • 18
      • 42
      • 44
      • 25
      • 27
      • 19
      • 38
      • 15
      • 14
  • 32
  • 30
  • 94
    3
  • 152
    5
  • 92
    3
Question 2
2.
There are 5130 creatures in a zoo as shown below. Find the pie chart sector angle for "Water animals"
Type of creatures
Wild animals
Land animals
Water animals
Reptiles
Domestic animals
Beast animals
No. of creatures
270
540
630
1080
1260
1350
  • 42.21°
  • 44.21°
  • 43.21°
  • 45.21°
  • 46.21°
Question 3
3.
    • The marks obtained by 10 students in a test are given below. Find the mean of their marks when the marks of each student is doubled.
      • 37
      • 10
      • 24
      • 29
      • 17
      • 46
      • 38
      • 13
      • 12
      • 6
  • 234
    5
  • 140
    3
  • 46
  • 324
    7
  • 232
    5
Question 4
4.
There are 700 creatures in a zoo. Find the type of creature that has minimum presense in the zoo.
  • Birds
  • Wild animals
  • Land animals
  • Beast animals
  • Domestic animals
Question 5
5.
Given below is the column-graph showing heights of some mountain peaks. Find the mountain that has 8328 m height.
  • Himadri
  • Kanchenjunga
  • Nanda Devi
  • Alps
  • Appalachian
Question 6
6.
Population (in thousands) of men and women in a village in different years. Identify the table for the given line graph.
  • Year
    2006
    2007
    2008
    2009
    2010
    2011
    Population (in thousands)
    45
    27
    29
    63
    72
    54
  • Year
    2006
    2007
    2008
    2009
    2010
    2011
    Population (in thousands)
    45
    19
    36
    63
    72
    54
  • Year
    2006
    2007
    2008
    2009
    2010
    2011
    Population (in thousands)
    45
    27
    36
    63
    64
    54
  • Year
    2006
    2007
    2008
    2009
    2010
    2011
    Population (in thousands)
    45
    27
    36
    57
    72
    54
  • Year
    2006
    2007
    2008
    2009
    2010
    2011
    Population (in thousands)
    45
    27
    36
    63
    72
    54
Question 7
7.
Given the bar graph, find the minimum frequency
  • 20
  • 15
  • 30
  • 35
  • 25
Question 8
8.
Shown below is the total food grain production of 5040 million tonnes over 5 years. Find the pie chart sector angle for "2010"
Years
2007
2008
2009
2010
2011
Foodgrains (in million tonnes)
450
720
990
1350
1530
  • 96.43°
  • 97.43°
  • 94.43°
  • 98.43°
  • 95.43°
Question 9
9.
Find the mean of the first 15 odd numbers.
  • 12
  • 14
  • 18
  • 15
  • 16
Question 10
10.
    • Rainfall of 14 days (in mm) are given below. Find the mean rainfall.
      • 10
      • 8
      • 8
      • 9
      • 14
      • 5
      • 7
      • 5
      • 14
      • 10
      • 14
      • 11
      • 7
      • 7
  • 143
    14
    mm
  • 157
    14
    mm
  • 129
    14
    mm
  • 65
    7
    mm
  • 131
    14
    mm