EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Data Handling
Grade : SSC Grade VII
License : Non Commercial Use
Question
1
1.
Scores of 12 students are given below. Find the mean score.
82
72
80
74
78
73
85
88
90
71
79
86
(i)
80
(ii)
485
6
(iii)
491
6
(iv)
481
6
(v)
479
6
Question
2
2.
Read the column-graph given below. Find the year that has 69 million tonnes food grains production.
(i)
2009
(ii)
2008
(iii)
2007
(iv)
2010
(v)
2011
Question
3
3.
Temperatures of 13 days (in °C) are given below. Find the mean temperature.
34
29
31
32
35
31
32
33
35
30
27
28
31
(i)
408
13
°C
(ii)
434
13
°C
(iii)
410
13
°C
(iv)
421
13
°C
(v)
409
13
°C
Question
4
4.
The total marks obtained by Kavish in his annual exam are 475 as shown below. Find the subject that has minimum score.
(i)
Sanskrit
(ii)
German
(iii)
Social Studies
(iv)
Telugu
(v)
Mathematics
Question
5
5.
Rainfall of 10 days (in mm) are given below. Find the median rainfall.
9
7
7
8
14
6
15
6
6
6
(i)
7
mm
(ii)
8
mm
(iii)
5
mm
(iv)
6
mm
(v)
9
mm
Question
6
6.
The total marks obtained by Gowtham in his annual exam are 385 as shown below. Find the subject that has maximum score.
(i)
Social Studies
(ii)
German
(iii)
Biology
(iv)
Telugu
(v)
Spanish
Question
7
7.
The air distance of some cities from Delhi (in km) are given below. Find the city that has minimum distance.
(i)
Bhopal
(ii)
Hubli
(iii)
Mangalore
(iv)
Kolkata
(v)
Mumbai
Question
8
8.
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
watermelons
strawberies
peaches
grapes
pumpkins
Monday
18
62
72
63
45
27
Tuesday
54
53
63
27
72
18
(ii)
Fruits
guavas
watermelons
strawberies
peaches
grapes
pumpkins
Monday
54
45
55
27
72
18
Tuesday
18
54
64
63
45
27
(iii)
Fruits
guavas
watermelons
strawberies
peaches
grapes
pumpkins
Monday
18
54
72
63
45
27
Tuesday
54
45
63
27
66
18
(iv)
Fruits
guavas
watermelons
strawberies
peaches
grapes
pumpkins
Monday
18
54
72
63
45
27
Tuesday
54
45
63
27
72
18
(v)
Fruits
guavas
watermelons
strawberies
peaches
grapes
pumpkins
Monday
18
54
72
71
45
27
Tuesday
54
45
63
27
72
18
Question
9
9.
Rainfall of 12 days (in mm) are given below. Find the mean rainfall.
6
10
6
12
13
11
13
6
14
6
13
11
(i)
133
12
mm
(ii)
61
6
mm
(iii)
121
12
mm
(iv)
145
12
mm
(v)
41
4
mm
Question
10
10.
Find the median of all the factors of 20.
(i)
17
4
(ii)
7
2
(iii)
11
2
(iv)
9
2
(v)
5
Question
11
11.
The marks obtained by Charan in his annual exam are shown below. Find the subject that has maximum score.
(i)
Mathematics
(ii)
English
(iii)
French
(iv)
Biology
(v)
Telugu
Question
12
12.
The total export earnings of ₹830 thousand crore of a country during five years is shown below. Find the year that has minimum export earnings.
(i)
2008-09
(ii)
2006-07
(iii)
2007-08
(iv)
2009-10
(v)
2010-11
Question
13
13.
A survey of 1080 school students was done to know the preferred free time activity. Find the number of students who prefer "Listening music".
(i)
141
(ii)
135
(iii)
138
(iv)
136
(v)
140
Question
14
14.
The total marks obtained by a student in his annual examination is 423. Find the minimum marks.
(i)
35
(ii)
37
(iii)
34
(iv)
36
(v)
38
Question
15
15.
The following bar graph shows the export earnings of a country (in thousand crore) during five years. Find the year that has maximum export earnings.
(i)
2008-09
(ii)
2010-11
(iii)
2006-07
(iv)
2007-08
(v)
2009-10
Question
16
16.
The scores obtained by 14 students in a test are given below. Find the mean score.
7
20
16
7
4
5
2
11
8
15
3
11
19
14
(i)
7
(ii)
9
1
2
(iii)
10
1
7
(iv)
2
(v)
20
Question
17
17.
A survey of 1230 school students was done to knowthe preferred free time activity. Find the activity that has maximum preference.
(i)
Painting
(ii)
Community work
(iii)
Listening music
(iv)
Playing
(v)
Dancing
Question
18
18.
The pie chart given below consists of top selling race cars of different brands. Identify the most sold car.
(i)
Jaguar
(ii)
Lamborghini Reventon
(iii)
Ferrari
(iv)
Porsche
(v)
McLaren
Question
19
19.
The marks obtained by 15 students in a test are given below. Find their median marks.
47
36
25
41
39
10
18
46
29
44
14
44
16
28
16
(i)
30
(ii)
32
(iii)
28
(iv)
29
(v)
26
Question
20
20.
Daily wages of 11 labourers (in ₹) are given below. Find the mean wage.
324
312
387
373
393
390
427
499
383
431
350
(i)
₹
390.09
(ii)
₹
388.18
(iii)
₹
389.09
(iv)
₹
388.27
(v)
₹
388.09
Question
21
21.
Read the given column-graph. Find the month that has minimum rainfall.
(i)
October
(ii)
September
(iii)
August
(iv)
July
(v)
June
Question
22
22.
Given the mean of
11
samples as
12
3
11
,
what is the mean if a sample value is
increased
by
10
?
(i)
147
11
(ii)
171
13
(iii)
145
11
(iv)
119
9
(v)
13
Question
23
23.
The mean of the below random sample is
32
1
2
.
Find the missing quantity.
36
40
41
34
16
25
x
14
45
37
(i)
34
(ii)
40
(iii)
36
(iv)
37
(v)
38
Question
24
24.
Rainfall of 13 days (in mm) are given below. Find the mode rainfall.
14
9
14
5
6
13
10
14
10
11
7
11
14
(i)
16
mm
(ii)
15
mm
(iii)
12
mm
(iv)
14
mm
(v)
13
mm
Question
25
25.
The marks obtained by 12 students in a test are given below. Find their mode marks.
12
48
46
20
26
9
10
49
9
11
45
28
(i)
7
(ii)
9
(iii)
11
(iv)
8
(v)
10
Assignment Key
1) (v)
2) (i)
3) (i)
4) (iv)
5) (i)
6) (iii)
7) (ii)
8) (iv)
9) (iii)
10) (iv)
11) (iv)
12) (v)
13) (iii)
14) (iv)
15) (iv)
16) (iii)
17) (iii)
18) (iv)
19) (iv)
20) (v)
21) (iv)
22) (iii)
23) (iv)
24) (iv)
25) (ii)
