Chapters
Chapter 5: Statistics
Samacheer Kalvi solutions for Mathematics Term 1 - Class 6th Tamil Nadu State Board Chapter 5 Statistics Exercise 5.1 [Pages 93 - 95]
Fill in the blanks
The collected information is called _____________
An example of a Primary Data is _____________
An example of a Secondary Data is _____________
The tally marks for number 8 in standard form is ______________
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 |
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 |
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
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
The tally marks for the number 7 in standard form is _____________
7
|||| ||
✓✓✓✓✓✓✓
||||||
The tally marks |||| |||| represents the number count
5
8
9
10
Samacheer Kalvi solutions for Mathematics Term 1 - Class 6th Tamil Nadu State Board Chapter 5 Statistics Exercise 5.2 [Page 98]
Fill in the blanks
If represents 100 balls then represents _____________ balls
If 200 is represented by then 600 is represented by ____________
Representation of data by using pictures is known as ______________
Draw a pictograph for the given data.
Month | June | July | August | September |
Number of Computers sold | 300 | 450 | 600 | 550 |
(Choose your own suitable scale)
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 |
(Choose your own suitable scale)
The following Pictograph shows the number of students playing different games in a school.
Game | Number of Students |
Kho-Kho | |
Kabaddi | |
Basketball | |
Volleyball | |
Hockey |
Represents 10 students
Answer the following questions.
(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
The representation of ‘one picture to many objects’ in a Pictograph is called ____________
Tally mark
Pictoword
Scaling
Frequency
A Pictograph is also known as _____________
Pictoword
Pictogram
Pictophrase
Pictograft
Samacheer Kalvi solutions for Mathematics Term 1 - Class 6th Tamil Nadu State Board Chapter 5 Statistics Exercise 5.3 [Pages 102 - 103]
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.
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 |
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 of students |
8 | 10 | 8 | 7 | 12 | 3 | 2 |
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
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
The spaces between any two bars in a bar graph _____________
can be different
are the same
are not the same
all of these
Samacheer Kalvi solutions for Mathematics Term 1 - Class 6th Tamil Nadu State Board Chapter 5 Statistics Exercise 5.4 [Pages 103 - 106]
Miscellaneous Practice Problems
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
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
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
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 |
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
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
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.
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?
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 | ______ | ______ |
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
Samacheer Kalvi solutions for Mathematics Term 1 - Class 6th Tamil Nadu State Board chapter 5 - Statistics
Samacheer Kalvi solutions for Mathematics Term 1 - Class 6th Tamil Nadu State Board chapter 5 (Statistics) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Term 1 - Class 6th Tamil Nadu State Board solutions in a manner that help students grasp basic concepts better and faster.
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Concepts covered in Mathematics Term 1 - Class 6th Tamil Nadu State Board 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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