#### Statistics - Study Materials

6th Standard

Reg.No. :
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Maths

Time : 01:00:00 Hrs
Total Marks : 100

Part A

5 x 1 = 5
1. The tally marks for the number 7 in standard form is_____________.

(a)

7

(b)

(c)

(d)

2. The tally marks represents the number count

(a)

5

(b)

8

(c)

9

(d)

10

3. The plural form of ‘datum’ is

(a)

datum

(b)

datums

(c)

data

(d)

datas

4. The pictorial representation for a phrase is a__________.

(a)

Picto

(b)

Tally mark

(c)

Frequency

(d)

Data

5. A Pictograph is also known as____________.

(a)

Pictoword

(b)

Pictogram

(c)

Pictophrase

(d)

Pictograft

6. Part B

5 x 1 = 5
7. The collected information is called_______.

()

Data

8. If represents 100 balls then  represents___________balls.

()

150

9. The data can be arranged in a tabular form using ______ marks

()

tally

10. A observation occuring 8 times in a data is represented as _________ using tally marks.

()

11. Tally marks  I represents _______

()

6

12. Part C

3 x 2 = 6
13. Thamarai is fond of reading books. The number of pages read by her on each day during the last 40 days are given below. Make a Tally Marks table.
13 5 6 643 5 4 1 6 2 5 3 4 1 6 6 5 5 1
12 3 2 542 4 1 6 2 5 5 6 5 5 3 5 2 5 1

14. Viji threw a die 30 times and noted down the result each time as follows. Prepare a table on the numbers shown using Tally Marks.
14 3 5 5 6 6 4 3 5 4 5 6 5 2
4 2 6 5 5 6 6 4 5 6 6 5 4 1 1

15. There are 1000 students in a school. Data regarding the mode of transport of the students is given below. Draw a pictograph to represent the data.

 Mode of Travel On Foot Bicycle Scooter Bus Car Number of Students 350 300 150 100 100
16. Part D

5 x 5 = 25
17. The pictograph shows the number of branded mobile phones sold in fi ve months.

Each picture of  represents 100 mobiles each  represents 50 mobiles.
Observe the given table and answer the following questions.
(i) In which month was the maximum number of brand B mobiles sold?
(ii) In which month was equal number of brand A and brand B mobiles sold?
(iii) In which month was the minimum number of brand A mobiles sold?
(iv) Find the total number of Brand A Mobiles that were sold in 5 months.
(v) What is the difference between the sale of brand A and brand B Mobiles in the month of May?

18. The following pictograph shows the total savings of a group of friends in a year. Each picture represents a saving of Rs.100. Answer the following questions.

(i) What is the ratio of Ruby’s saving to that of Thasnim’s?
(ii) What is the ratio of Kuzhali’s savings to that of others?
(iii) How much is Iniya’s savings?
(iv) Find the total amount of savings of all the friends?
(v) Ruby and Kuzhali save the same amount. Say True or False.

19. Yasmin of class VI was given a task to count the number of books which are biographies, in her school library. The information collected by her is represented as follows.

Observe the pictograph and answer the following questions.
(i) Which title has the maximum number of biographies?
(ii) Which title has the minimum number of biographies?
(iii) Which title has exactly half the number of biographies as Novelists?
(iv) How many biographies are there on the title of Sportspersons?
(v) What is the total number of biographies in the library?

20. The above bar graph shows the number of students in different classes of a school. Read the graph and answer the following questions.
(a) How many students are in class X?
(b) How many students are in class VII?
(c) How many students are in class IX?

21. The following bar graph shows the number of people visited Mahabalipuram over a period of 5
months.

Use the graph to answer the following questions
(a) How many people visited Mahabalipuram in April?
(b) How many more people visited Mahabalipuram in May than in January?
(c) In which month, were there as many visitors as on March?
(d) In which month were there 1500 more visitors than in January?
(e) How many visitors were there in 5 months?