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)