EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Data Handling
Grade : SSC Grade VII
License : Non Commercial Use
Question
1
1.
Given the mean of
12
samples as
6
11
12
,
what is the new mean if two samples
8
and
6
are removed ?
(i)
27
4
(ii)
67
10
(iii)
57
8
(iv)
71
10
(v)
69
10
Question
2
2.
The total marks obtained by Abhishek in his annual exam are 340 as shown below. Find the subject that has maximum score.
(i)
Social Studies
(ii)
Biology
(iii)
Sanskrit
(iv)
German
(v)
Telugu
Question
3
3.
The following bar graph gives data regarding the favourite sport of 846 students of a school. Identify the table for the given bar diagram.
(i)
Sport
badminton
hockey
swimming
high jump
kabaddi
wrestling
running
No. of students
99
180
54
144
45
153
171
(ii)
Sport
badminton
hockey
swimming
high jump
kabaddi
wrestling
running
No. of students
99
144
54
180
171
153
45
(iii)
Sport
badminton
hockey
swimming
high jump
kabaddi
wrestling
running
No. of students
45
171
54
180
99
153
144
(iv)
Sport
badminton
hockey
swimming
high jump
kabaddi
wrestling
running
No. of students
153
45
180
144
171
54
99
(v)
Sport
badminton
hockey
swimming
high jump
kabaddi
wrestling
running
No. of students
144
45
99
180
171
153
54
Question
4
4.
Heights of 15 plants (in cm) are given below. Find the mean height.
87
100
75
82
71
57
50
85
88
97
100
62
63
54
63
(i)
76
cm
(ii)
378
5
cm
(iii)
383
5
cm
(iv)
379
5
cm
(v)
388
5
cm
Question
5
5.
The air distance of some cities from Delhi (in km) are given below. Find the city that has 1427 km distance.
(i)
Cuttack
(ii)
Trivandrum
(iii)
Kolkata
(iv)
Indore
(v)
Mysore
Question
6
6.
The number of bars present in the bar chart of the following table is
(i)
7
(ii)
3
(iii)
5
(iv)
6
(v)
8
Question
7
7.
Given an even number of random samples with the middle two samples as
x +
28
and x +
28
and the median as
31
,
find the value of x.
(i)
2
(ii)
0
(iii)
3
(iv)
4
(v)
5
Question
8
8.
The total export earnings of ₹750 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)
2008-09
(v)
2010-11
Question
9
9.
The table below shows the preferred free time activity of 1206 school students. Find the pie chart sector angle for "Painting"
Activity
Watching TV
Painting
Playing
Listening music
Helping parents
Reading books
No.of students
90
144
162
252
270
288
(i)
43.99°
(ii)
42.99°
(iii)
41.99°
(iv)
40.99°
(v)
44.99°
Question
10
10.
There are 2160 creatures in a zoo as shown below. Find the pie chart sector angle for "Wild animals"
Type of creatures
Land animals
Birds
Wild animals
Water animals
Domestic animals
No. of creatures
180
270
360
540
810
(i)
61.00°
(ii)
59.00°
(iii)
62.00°
(iv)
58.00°
(v)
60.00°
Question
11
11.
There are 3600 creatures in a zoo. Find the count of "Reptiles".
(i)
900
(ii)
898
(iii)
897
(iv)
902
(v)
903
Question
12
12.
Following bar graph gives the average temperature of a place during a week. Find the day that has 27 °C temperature.
(i)
Tues.
(ii)
Wed.
(iii)
Sat.
(iv)
Fri.
(v)
Sun.
Question
13
13.
A man earns Rs 1485 per month. His expenditure during a month is as follows. Find the pie chart sector angle for "Savings"
Item
Electricity
Savings
Education
Clothing
Misc.
Expenses (in rupees)
135
270
315
360
405
(i)
64.45°
(ii)
65.45°
(iii)
67.45°
(iv)
66.45°
(v)
63.45°
Question
14
14.
Following bar graph gives the average temperature of a place during a week. Find the day that has minimum temperature.
(i)
Wed.
(ii)
Mon.
(iii)
Sat.
(iv)
Sun.
(v)
Tues.
Question
15
15.
Rainfall of 13 days (in mm) are given below. Find the mode rainfall.
10
15
14
11
13
8
9
12
6
7
6
5
6
(i)
4
mm
(ii)
5
mm
(iii)
6
mm
(iv)
8
mm
(v)
7
mm
Question
16
16.
Arrange the following data
38
37
40
35
24
27
20
16
34
22
in ascending order
(i)
37
39
39
40
33
11
38
34
26
25
(ii)
23
13
11
33
23
39
21
17
31
15
(iii)
16
20
22
24
27
34
35
37
38
40
(iv)
32
33
33
15
20
10
14
22
12
39
(v)
28
11
16
28
36
39
12
33
31
26
Question
17
17.
The following bar graph gives data regarding the favourite sport of 1044 students of a school. Identify the table for the given bar diagram.
(i)
Sport
boxing
long jump
cricket
volleyball
chess
No. of Boys
117
99
126
108
27
No. of Girls
117
99
171
153
27
(ii)
Sport
boxing
long jump
cricket
volleyball
chess
No. of Boys
117
91
126
108
27
No. of Girls
117
106
171
153
27
(iii)
Sport
boxing
long jump
cricket
volleyball
chess
No. of Boys
117
99
177
153
27
No. of Girls
117
99
134
108
27
(iv)
Sport
boxing
long jump
cricket
volleyball
chess
No. of Boys
117
99
126
108
27
No. of Girls
117
99
171
153
21
(v)
Sport
boxing
long jump
cricket
volleyball
chess
No. of Boys
117
99
126
114
27
No. of Girls
117
99
171
153
27
Question
18
18.
The mean of
6
numbers is
10
1
6
.
Upon
excluding
one number,
the mean becomes
12
.
Find the
excluded
number.
(i)
-2
(ii)
0
(iii)
2
(iv)
3
(v)
1
Question
19
19.
Rainfall of 13 days (in mm) are given below. Find the median rainfall.
8
15
8
8
8
13
9
15
7
12
13
6
7
(i)
10
mm
(ii)
8
mm
(iii)
6
mm
(iv)
9
mm
(v)
7
mm
Question
20
20.
The scores obtained by 8 students in a test are given below. Find the minimum score.
13
14
1
11
15
7
20
2
(i)
10
3
8
(ii)
19
(iii)
1
(iv)
20
(v)
12
Question
21
21.
This graph gives a comparative account of sales (in Rs) of various fruits over a two-day period. Identify the table for the given bar diagram.
(i)
Fruits
guavas
apples
strawberies
peaches
pine apples
Monday
45
54
36
27
18
Tuesday
45
36
54
27
10
(ii)
Fruits
guavas
apples
strawberies
peaches
pine apples
Monday
45
54
36
27
18
Tuesday
45
36
54
27
18
(iii)
Fruits
guavas
apples
strawberies
peaches
pine apples
Monday
45
36
47
27
18
Tuesday
45
54
29
27
18
(iv)
Fruits
guavas
apples
strawberies
peaches
pine apples
Monday
45
54
36
33
18
Tuesday
45
36
54
27
18
(v)
Fruits
guavas
apples
strawberies
peaches
pine apples
Monday
45
62
36
27
18
Tuesday
45
30
54
27
18
Question
22
22.
The total export earnings of ₹715 thousand crore of a country during five years is shown below. Find the year that has minimum export earnings.
(i)
2006-07
(ii)
2007-08
(iii)
2009-10
(iv)
2010-11
(v)
2008-09
Question
23
23.
The scores obtained by 14 students in a test are given below. Find the mean score.
6
18
11
1
12
13
13
7
6
14
12
4
2
16
(i)
9
9
14
(ii)
6
(iii)
11
1
2
(iv)
18
(v)
17
Question
24
24.
Heights of 12 plants (in cm) are given below. Find the median height.
97
78
61
60
96
81
96
91
57
80
99
82
(i)
82
cm
(ii)
163
2
cm
(iii)
165
2
cm
(iv)
167
2
cm
Question
25
25.
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 increased by 5.
42
28
41
7
16
25
48
41
20
22
28
27
30
9
(i)
97
3
(ii)
225
7
(iii)
163
5
(iv)
229
7
(v)
227
7
Assignment Key
1) (v)
2) (i)
3) (ii)
4) (ii)
5) (iv)
6) (iv)
7) (iii)
8) (iii)
9) (ii)
10) (v)
11) (i)
12) (iv)
13) (ii)
14) (i)
15) (iii)
16) (iii)
17) (i)
18) (v)
19) (ii)
20) (iii)
21) (ii)
22) (v)
23) (i)
24) (ii)
25) (v)
