Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 6th

# Tamil Nadu Board Samacheer Kalvi solutions for Class 6th Mathematics Term 1 Answers Guide chapter 5 - Statistics [Latest edition]

## Chapter 5: Statistics

Exercise 5.1Exercise 5.2Exercise 5.3Exercise 5.4
Exercise 5.1 [Pages 93 - 95]

### Tamil Nadu Board Samacheer Kalvi solutions for Class 6th Mathematics Term 1 Answers Guide Chapter 5 StatisticsExercise 5.1 [Pages 93 - 95]

#### Fill in the blanks

Exercise 5.1 | Q 1. (i) | Page 93

The collected information is called _____________

Exercise 5.1 | Q 1. (ii) | Page 93

An example of a Primary Data is _____________

Exercise 5.1 | Q 1. (iii) | Page 93

An example of a Secondary Data is _____________

Exercise 5.1 | Q 1. (iv) | Page 93

The tally marks for number 8 in standard form is ______________

Exercise 5.1 | Q 2 | Page 94

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.

 1 4 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
Exercise 5.1 | Q 3 | Page 94

The following list tells colours liked by 25 students. Prepare a table using Tally Marks.

 Red Blue White Grey White Green Grey Blue Green Grey Blue Grey Red Green Red Blue Blue Green Blue Green Grey Grey Green Grey Red
Exercise 5.1 | Q 4 | Page 94

The following are the marks obtained by 30 students in a class test out of 20 in Mathematics subject.

 11 12 13 12 12 15 16 17 18 12 20 13 13 14 14 14 15 15 15 15 16 16 16 15 14 13 12 11 19 17

Prepare a table using Tally Marks

Exercise 5.1 | Q 5 | Page 94

The table shows the number of calls recorded by a Fire Service Station in one year.

 Types of Calls Tally Marks Frequency Building Fires |||| | Other Fires |||| |||| | Hazardous Materials 7 Rescues 4 False Alarms |||| || Total

Complete the table and answer the following questions.
(i) Which type of call was recorded the most?
(ii) Which type of call was recorded the least?
(iii) How many calls were recorded in all?
(iv) How many calls were recorded as False Alarms?

#### Objective Type Questions

Exercise 5.1 | Q 6 | Page 95

The tally marks for the number 7 in standard form is _____________

• 7

• |||| ||

• ✓✓✓✓✓✓✓

• ||||||

Exercise 5.1 | Q 7 | Page 95

The tally marks |||| |||| represents the number count

• 5

• 8

• 9

• 10

Exercise 5.2 [Page 98]

### Tamil Nadu Board Samacheer Kalvi solutions for Class 6th Mathematics Term 1 Answers Guide Chapter 5 StatisticsExercise 5.2 [Page 98]

#### Fill in the blanks

Exercise 5.2 | Q 1. (i) | Page 98

If  represents 100 balls then  represents _____________ balls

Exercise 5.2 | Q 1. (ii) | Page 98

If 200 is represented by  then 600 is represented by ____________

Exercise 5.2 | Q 1. (iii) | Page 98

Representation of data by using pictures is known as ______________

Exercise 5.2 | Q 2 | Page 98

Draw a pictograph for the given data.

 Month June July August September Number of Computers sold 300 450 600 550

Exercise 5.2 | Q 3 | Page 98

The following table shows the number of tourists who visited the places in the month of May. Draw a pictograph

 Place Mahabalipuram Vedanthangal Hogenakkal Ooty Number of Tourists 20,000 15,000 40,000 35,000

Exercise 5.2 | Q 4 | Page 98

The following Pictograph shows the number of students playing different games in a school.

Represents 10 students

(i) Which is the most popular game among the students?
(ii) Find the number of students playing Kabaddi.
(iii) Which two games are played by equal number of students?
(iv) What is the difference between the number of students playing Kho-Kho and Hockey?
(v) Which is the least popular game among the students?

#### Objective Type Questions

Exercise 5.2 | Q 5 | Page 98

The representation of ‘one picture to many objects’ in a Pictograph is called ____________

• Tally mark

• Pictoword

• Scaling

• Frequency

Exercise 5.2 | Q 6 | Page 98

A Pictograph is also known as _____________

• Pictoword

• Pictogram

• Pictophrase

• Pictograft

Exercise 5.3 [Pages 102 - 103]

### Tamil Nadu Board Samacheer Kalvi solutions for Class 6th Mathematics Term 1 Answers Guide Chapter 5 StatisticsExercise 5.3 [Pages 102 - 103]

Exercise 5.3 | Q 1 | Page 102

Read the given Bar Graph which shows the percentage of marks obtained by Brinda in different subjects in an assessment test.

Observe the Bar Graph and answer the following questions.
(i) 1 Unit = __________% of marks on vertical line.
(ii) Brinda has scored maximum marks in __________ subject.
(iii) Brinda has scored minimum marks in __________ subject.
(iv) The percentage of marks scored by Brinda in Science is __________.
(v) Brinda scored 60% marks in the subject __________.
(vi) Brinda scored 20% more in __________ subject than __________ subject.

Exercise 5.3 | Q 2 | Page 102

Chitra has to buy Laddus in order to distribute to her friends as follow: Draw a Bar Graph for this data

 Classes VI VII VIII IX X Number of Laddus 70 60 45 80 55
Exercise 5.3 | Q 3 | Page 102

The fruits liked by the students of a class are as follow: Draw a Bar Graph for this data.

 Fruits Bananas Grapes Apples Mangoes Guavas Papayas Other fruits Number ofstudents 8 10 8 7 12 3 2
Exercise 5.3 | Q 4 | Page 102

The pictograph below gives the number of absentees on different days of the week in class six. Draw the Bar graph for the same.

 Day Monday Tuesday Wednesday Thursday Friday Saturday Number of Absentees --

represents 4 students represents 2 students

#### Objective Type Questions

Exercise 5.3 | Q 5 | Page 103

A bar graph can be drawn using ______________

• Horizontal bars only

• Vertical bars only

• Both horizontal bars and vertical bars

• Either horizontal bars or vertical bars

Exercise 5.3 | Q 6 | Page 103

The spaces between any two bars in a bar graph _____________

• can be different

• are the same

• are not the same

• all of these

Exercise 5.4 [Pages 103 - 106]

### Tamil Nadu Board Samacheer Kalvi solutions for Class 6th Mathematics Term 1 Answers Guide Chapter 5 StatisticsExercise 5.4 [Pages 103 - 106]

#### Miscellaneous Practice Problems

Exercise 5.4 | Q 1 | Page 103

The heights (in centimeters) of 40 children are.

 110 112 112 116 119 111 113 115 118 120 110 113 114 111 114 113 110 120 118 115 112 110 116 111 115 120 113 111 113 120 115 111 116 112 110 111 120 111 120 111

Prepare a tally marks table

Exercise 5.4 | Q 2 | Page 103

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

 Ruby Malarkodi Thasnim Kuzhali Iniya

represents Rs.100

(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

Exercise 5.4 | Q 3 | Page 104

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
Exercise 5.4 | Q 4 | Page 104

The prediction of Weather in the month of September is given below.

(i) Make a frequency table of the types of weather by reading the calendar.
(ii) How many days are either cloudy or partly cloudy?
(iii) How many days do not have rain? Give two ways to find the answer?
(iv) Find the ratio of the number of Sunny days to Rainy days

Exercise 5.4 | Q 5 | Page 104

The table shows the number of moons that orbit each of the planets in our solar system.

 Planet Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Number of Moons 0 0 1 2 28 30 21 8

Make a Bar graph for the above data

Exercise 5.4 | Q 6 | Page 105

26 students were interviewed to find out what they want to become in future. Their responses are given in the following table.

 Profession Tally marks Teacher |||| || Pilot ||| Bank Manager |||| Doctor ||| Engineer |||| Other Professions |||

Represent this data using Pictograph.

Exercise 5.4 | Q 7 | Page 105

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.

 Biographies Number of books Mathematicians Scientists Novelists Sportspersons Politicians

Keys:
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?

Exercise 5.4 | Q 8 | Page 106

The bar graph illustrates the results of a survey conducted on vehicles crossing over a Toll Plaza in one hour.

Observe the bar graph carefully and fill up the following table.

 Vehicles Buses _____ Cars Vans _____ Others Total vehicles Number of Vehicles _____ 45 _____ _____ 30 ______ ______
Exercise 5.4 | Q 9 | Page 106

The lengths (in the nearest centimetre) of 30 drumsticks are given as follows.

 Lengths Number of drumsticks 24 |||| 25 -- 26 -- 27 |||| | 28 -- 29 |||| ||| 30 |||| | 31 ||||

Draw the bar graph showing the same information.

## Chapter 5: Statistics

Exercise 5.1Exercise 5.2Exercise 5.3Exercise 5.4

## Tamil Nadu Board Samacheer Kalvi solutions for Class 6th Mathematics Term 1 Answers Guide chapter 5 - Statistics

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Concepts covered in Class 6th Mathematics Term 1 Answers Guide chapter 5 Statistics are Concept of Bar Graph, Interpretation of Bar Graphs, Drawing a Bar Graph, Concept of Data Handling, Collection of Data, Organisation of Data, Concept of Pictograph, Interpretation of a Pictograph, Drawing a Pictograph.

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