EduSahara™ Worksheet

Question 1

1.

On a certain day, the temperature in a city was recorded as shown below. Find the time that has maximum temperature.

(i)

11 a.m.
(ii)

3 p.m.
(iii)

5 a.m.
(iv)

1 p.m.
(v)

7 a.m.

Question 2

2.

If the length of the class is 8, then the number of class intervals needed to represent data with range 30 is

(i)

3
(ii)

7
(iii)

5
(iv)

4
(v)

1

Question 3

3.

Convert the exclusive form of the class interval 14.5 - 25.5 to inclusive form

(i)

15

-

25
(ii)

14.5

-

25.5
(iii)

15

-

25.5
(iv)

14.5

-

25
(v)

15.5

-

24.5

Question 4

4.

Students of a certain locality use different modes of travel to school as given below. Find the mode of travel that has maximum students.

(i)

School Van
(ii)

Auto
(iii)

By Foot
(iv)

School Bus
(v)

Bicycle

Question 5

5.

The class mark of the class with frequency x is

Class-Interval

Frequency

17 - 22

7

23 - 28

x

29 - 34

2

35 - 40

30

41 - 46

24

(i)

53
2
(ii)

101
4
(iii)

51
2
(iv)

49
2
(v)

26

Question 6

6.

If some random sample data is arranged in a frequency distribution table in
inclusive form
with
2
-
7
as the first class,
then the observation
21
falls in which class?

(i)

19

-

24
(ii)

20.5

-

24.5
(iii)

21

-

26
(iv)

19.5

-

25.5
(v)

20

-

25

Question 7

7.

Read the given column-graph. Find the month that has maximum rainfall.

(i)

June
(ii)

September
(iii)

July
(iv)

October
(v)

August

Question 8

8.

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)

2006-07
(ii)

2007-08
(iii)

2010-11
(iv)

2009-10
(v)

2008-09

Question 9

9.

Scores of 26 students are given below. Find the mode.

Score

71

75

76

80

84

86

87

89

No. of students

4

8

3

3

1

1

2

4

(i)

74
(ii)

75
(iii)

77
(iv)

76
(v)

73

Question 10

10.

Find the mean of all prime numbers between 40 and 70.

(i)

55
(ii)

53
(iii)

52
(iv)

50
(v)

54

Question 11

11.

(i)

9
(ii)

11
(iii)

14
(iv)

12
(v)

10

Question 12

12.

The number of children in 18 families are given below. Identify the frequency distribution table for the given data.

1

3

0

0

1

0

4

2

5

5

3

1

3

4

2

0

2

4

(i)

No. of children

0

1

2

3

4

5

No. of families

4

3

3

3

2

3
(ii)

No. of children

0

1

2

3

4

5

No. of families

4

3

3

3

3

2
(iii)

No. of children

0

1

2

3

4

5

No. of families

3

5

3

4

2

1
(iv)

No. of children

0

1

2

3

4

5

No. of families

2

2

7

4

1

2
(v)

No. of children

0

1

2

3

4

5

No. of families

3

3

3

4

3

2

Question 13

13.

Weights of 11 students (in kg) are given below. Find the median weight.

59

55

52

40

44

52

57

53

47

44

44

(i)

54

kg
(ii)

53

kg
(iii)

51

kg
(iv)

50

kg
(v)

52

kg

Question 14

14.

Temperatures of 20 days are given below. Find the median.

Temperature (in degree C)

25

27

28

29

30

31

33

34

No. of days

1

4

2

3

4

1

2

3

(i)

30

°C
(ii)

61
2

°C
(iii)

59
2

°C
(iv)

63
2

°C

Question 15

15.

The class boundaries of 42 - 51 which is in inclusive form are

(i)

41

-

52
(ii)

41

-

51.5
(iii)

42

-

51
(iv)

41.5

-

52
(v)

41.5

-

51.5

Question 16

16.

The scores obtained by 12 students in a test are given below. Find the median.
1

13

7

14

7

3

11

14

20

14

2

5

(i)

14
(ii)

20
(iii)

9

1
4
(iv)

1
(v)

9

Question 17

17.

Heights of 20 students are given below. Find the median.

Height (in cm)

128

137

150

154

155

160

162

164

173

No. of students

1

2

2

5

1

1

1

3

4

(i)

309
2

cm
(ii)

311
2

cm
(iii)

155

cm
(iv)

313
2

cm

Question 18

18.

The following table gives the data regarding
the favourite sport of
207
students of a school.
Find number of students who like
tennis
.
Sport

tennis

long jump

running

basketball

badminton

swimming

shotput

cricket

No. of Students

41

32

15

17

38

12

10

42

(i)

40
(ii)

42
(iii)

39
(iv)

44
(v)

41

Question 19

19.

The air distance of some cities from Delhi (in km) are given below. Find the city that has maximum distance.

(i)

Bhopal
(ii)

Trichy
(iii)

Ahmedabad
(iv)

Mangalore
(v)

Trivandrum

Question 20

20.

Rainfall of 11 days are given below. Find the mode.

Rainfall (in mm)

6

7

8

11

12

14

No. of days

1

1

4

1

1

3

(i)

7

mm
(ii)

9

mm
(iii)

10

mm
(iv)

6

mm
(v)

8

mm

Question 21

21.

Given the mean of
10
samples as
4

9
10
,

what is the new mean if two samples
1
and
1
are added ?

(i)

17
4
(ii)

25
6
(iii)

15
4
(iv)

19
4
(v)

9
2

Question 22

22.

The marks obtained by Vinay in his annual exam are shown below. Find the subject that has minimum score.

(i)

Mathematics
(ii)

Biology
(iii)

German
(iv)

Sanskrit
(v)

Urdu

Question 23

23.

Find the mean of first 10 whole numbers.

(i)

17
4
(ii)

9
2
(iii)

11
2
(iv)

7
2
(v)

5

Question 24

24.

On a certain day, the temperature in a city was recorded as shown below. Find the time that has minimum temperature.

(i)

7 a.m.
(ii)

5 a.m.
(iii)

11 a.m.
(iv)

5 p.m.
(v)

1 p.m.

Question 25

25.

Heights of 13 students (in cm) are given below. Find the mode height.

142

155

128

161

161

136

139

133

163

134

152

127

161

(i)

159

cm
(ii)

162

cm
(iii)

161

cm
(iv)

160

cm
(v)

163

cm

Assignment Key