EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Statistics
Grade : ICSE Grade VII
License : Non Commercial Use
Question 1
1.
Given the bar graph, find the maximum frequency
  • (i)
    95
  • (ii)
    100
  • (iii)
    80
  • (iv)
    90
  • (v)
    85
Question 2
2.
Given the bar graph, find the minimum frequency
  • (i)
    5
  • (ii)
    0
  • (iii)
    20
  • (iv)
    10
  • (v)
    15
Question 3
3.
The below graph gives a comparative account of sales(in kg) of various fruits on a certain day. Identify the table for the given line graph.
  • (i)
    Fruit
    pumpkins
    bananas
    cantaloupes
    grapes
    pine apples
    papayas
    Sales(in kg)
    45
    36
    18
    19
    72
    63
  • (ii)
    Fruit
    pumpkins
    bananas
    cantaloupes
    grapes
    pine apples
    papayas
    Sales(in kg)
    45
    36
    12
    27
    72
    63
  • (iii)
    Fruit
    pumpkins
    bananas
    cantaloupes
    grapes
    pine apples
    papayas
    Sales(in kg)
    45
    36
    18
    27
    64
    63
  • (iv)
    Fruit
    pumpkins
    bananas
    cantaloupes
    grapes
    pine apples
    papayas
    Sales(in kg)
    45
    29
    18
    27
    72
    63
  • (v)
    Fruit
    pumpkins
    bananas
    cantaloupes
    grapes
    pine apples
    papayas
    Sales(in kg)
    45
    36
    18
    27
    72
    63
Question 4
4.
A survey of 1330 school students was done to knowthe preferred free time activity. Find the activity that has minimum preference.
  • (i)
    Painting
  • (ii)
    Singing
  • (iii)
    Listening music
  • (iv)
    Playing
  • (v)
    Watching TV
Question 5
5.
The statistical diagram that shows the relative sizes of various parts in the total data is
  • (i)
    pie-diagram
  • (ii)
    bar diagram
  • (iii)
    sectors
  • (iv)
    pictograph
Question 6
6.
On a certain day, the temperature in a city was recorded as shown below. Find the time that has minimum temperature.
  • (i)
    9 a.m.
  • (ii)
    3 p.m.
  • (iii)
    11 a.m.
  • (iv)
    5 p.m.
  • (v)
    1 p.m.
Question 7
7.
The air distance of some cities from Delhi (in km) are given below. Find the city that has maximum distance.
  • (i)
    Bhopal
  • (ii)
    Hubli
  • (iii)
    Ernakulam
  • (iv)
    Coimbatore
  • (v)
    Trichy
Question 8
8.
The following table shows 918 students of a school participating in various games. Find the pie chart sector angle for "chess"
Games
running
long jump
shotput
volleyball
table tennis
chess
No. of students
54
108
126
180
216
234
  • (i)
    91.76°
  • (ii)
    92.76°
  • (iii)
    89.76°
  • (iv)
    90.76°
  • (v)
    93.76°
Question 9
9.
The following pie chart shows 1120 students of a school participating in various games. Find the game that has 150 student participation.
  • (i)
    kabaddi
  • (ii)
    table tennis
  • (iii)
    chess
  • (iv)
    long jump
  • (v)
    volleyball
Question 10
10.
There are 630 creatures in a zoo. Find the type of creature that has maximum presense in the zoo.
  • (i)
    Domestic animals
  • (ii)
    Beast animals
  • (iii)
    Birds
  • (iv)
    Wild animals
  • (v)
    Water animals
Question 11
11.
Read the column-graph given below. Find the year that has minimum food grains production.
  • (i)
    2008
  • (ii)
    2009
  • (iii)
    2010
  • (iv)
    2011
  • (v)
    2007
Question 12
12.
The total export earnings of ₹4950 crores of a country during five years is shown below. Find the pie chart sector angle for "2009-10"
Years
2006-07
2007-08
2008-09
2009-10
2010-11
Exports(in thousand crore)
540
630
990
1350
1440
  • (i)
    97.18°
  • (ii)
    98.18°
  • (iii)
    100.18°
  • (iv)
    96.18°
  • (v)
    99.18°
Question 13
13.
1650 students of a certain locality use different modes of travel to school as shown below. Find the mode of travel that has 100 students.
  • (i)
    RTC Bus
  • (ii)
    Moped
  • (iii)
    Scooter
  • (iv)
    School Van
  • (v)
    School Bus
Question 14
14.
135 students of a school use different modes of travel to school. Identify the table for the given line graph.
  • (i)
    Mode of Travel
    Bicycle
    RTC Bus
    Moped
    School Bus
    School Van
    No. of Students
    10
    19
    35
    15
    50
  • (ii)
    Mode of Travel
    Bicycle
    RTC Bus
    Moped
    School Bus
    School Van
    No. of Students
    10
    25
    35
    15
    57
  • (iii)
    Mode of Travel
    Bicycle
    RTC Bus
    Moped
    School Bus
    School Van
    No. of Students
    10
    25
    35
    21
    50
  • (iv)
    Mode of Travel
    Bicycle
    RTC Bus
    Moped
    School Bus
    School Van
    No. of Students
    10
    25
    35
    15
    50
  • (v)
    Mode of Travel
    Bicycle
    RTC Bus
    Moped
    School Bus
    School Van
    No. of Students
    10
    25
    43
    15
    50
Question 15
15.
    • Scores of 10 students are given below. Find the mean score.
      • 78
      • 76
      • 87
      • 73
      • 90
      • 85
      • 90
      • 83
      • 73
      • 73
  • (i)
    406

    5
  • (ii)
    404

    5
  • (iii)
    409

    5
  • (iv)
    81
  • (v)
    414

    5
Question 16
16.
A survey of 1230 school students was done to knowthe preferred free time activity. Find the activity that has 270 student preference.
  • (i)
    Singing
  • (ii)
    Playing
  • (iii)
    Community work
  • (iv)
    Dancing
  • (v)
    Painting
Question 17
17.
    • Ages of 10 students are given below. Find the mean.
    • Age (in years)
      10
      11
      13
      14
      15
      No. of students
      2
      2
      2
      2
      2
  • (i)
    68

    5
    years
  • (ii)
    73

    5
    years
  • (iii)
    64

    5
    years
  • (iv)
    13
    years
  • (v)
    63

    5
    years
Question 18
18.
    • The marks obtained by 12 students in a test are given below. Find the mean of their marks when the marks of each student is doubled.
      • 23
      • 2
      • 1
      • 4
      • 34
      • 39
      • 39
      • 2
      • 21
      • 44
      • 4
      • 48
  • (i)
    89

    2
  • (ii)
    87

    2
  • (iii)
    173

    4
  • (iv)
    44
  • (v)
    85

    2
Question 19
19.
The total export earnings of ₹775 thousand crore of a country during five years is shown below. Find the year that has maximum export earnings.
  • (i)
    2007-08
  • (ii)
    2009-10
  • (iii)
    2006-07
  • (iv)
    2010-11
  • (v)
    2008-09
Question 20
20.
There are certain creatures in a zoo. Find the type of creature that has maximum presense in the zoo.
  • (i)
    Wild animals
  • (ii)
    Birds
  • (iii)
    Water animals
  • (iv)
    Land animals
  • (v)
    Beast animals
Question 21
21.
The following pie chart shows 1620 students of a school participating in various games. Find the number of students who participate in "shotput".
  • (i)
    365
  • (ii)
    362
  • (iii)
    367
  • (iv)
    363
  • (v)
    368
Question 22
22.
The pie chart given below shows purchase of number of cars of different automobile companies in America. Identify the sector angle of "Buggatti Veyron".
  • (i)
    87
  • (ii)
    89
  • (iii)
    84
  • (iv)
    86
  • (v)
    85
Question 23
23.
On a certain day, the temperature in a city was recorded as shown below. Find the time that has 20 °C temperature.
  • (i)
    5 p.m.
  • (ii)
    5 a.m.
  • (iii)
    3 p.m.
  • (iv)
    9 a.m.
  • (v)
    1 p.m.
Question 24
24.
    • Rainfall of 10 days are given below. Find the mean.
    • Rainfall (in mm)
      5
      6
      8
      11
      12
      13
      15
      No. of days
      1
      2
      1
      1
      2
      2
      1
  • (i)
    51

    5
    mm
  • (ii)
    121

    10
    mm
  • (iii)
    111

    10
    mm
  • (iv)
    103

    10
    mm
  • (v)
    101

    10
    mm
Question 25
25.
    • The mean of
    • 9
    • numbers is
    • 14
    • .
    • Upon
    • adding
    • one number,
    • the mean becomes
    • 14
      3

      5
    • .
    • Find the
    • included
    • number.
  • (i)
    20
  • (ii)
    21
  • (iii)
    17
  • (iv)
    22
  • (v)
    19
    Assignment Key

  •  1) (v)
  •  2) (i)
  •  3) (v)
  •  4) (ii)
  •  5) (i)
  •  6) (iii)
  •  7) (iv)
  •  8) (i)
  •  9) (i)
  •  10) (v)
  •  11) (ii)
  •  12) (ii)
  •  13) (ii)
  •  14) (iv)
  •  15) (ii)
  •  16) (i)
  •  17) (v)
  •  18) (ii)
  •  19) (v)
  •  20) (iii)
  •  21) (i)
  •  22) (iv)
  •  23) (iii)
  •  24) (v)
  •  25) (i)