Samacheer Kalvi 6th Maths Solutions Term 1 Chapter 5 Statistics Ex 5.4
Samacheer Kalvi 6th Maths Solutions Term 1 Chapter 5 Statistics Ex 5.4
Tamilnadu Samacheer Kalvi 6th Maths Solutions Term 1 Chapter 5 Statistics Ex 5.4
Miscellaneous Practice Problems
Question 1.
The heights (in centimetres) of 40 children are
Prepare a tally mark table.
Solution:
Question 2.
There are 1000 students in a school. Data regarding the mode of transport of the students as given below. Draw a pictograph to represent the data.
Solution:
The pictograph for the mode of transport of students.
Question 3.
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 your friends?
(v) Ruby and Kuzhali save the same amount. Say True or False.
Make a Bar graph for the above data.
Solution:
Question 5.
The predictions of Weather in the month of September is given below:
(i) Make a frequency table of the types of weather by reading the calender.
(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.
Solution:
Frequency Table for the Type of weather for the month of September
Represent this data using the pictograph
Solution:
Question 7.
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?
Solution:
(i) ‘The title Novelists’ have the maximum number of biographies
(ii) ‘The title Scientists’ have the minimum number of biographies.
(iii) ‘Sportspersons’ title has exactly half the number of biographies as Novelist.
(iv) (1×20)+20/4=20+5=25 biographies are there in the title sportsperson.
(v) 8 × 20 = 160 biographies are there in the library.
Question 8.
The bar graph illustrates the results of a survey conducted on vehicles crossing over a Toll Plaza in on hour.
Observe the bar graph carefully and fill up the following table.
Draw the bar graph showing the same information.
Solution:
The bar graph showing the same information is given below:
Question 10.
Given two angles are supplementary i.e. their sum = 180°.
Solution:
Let the angle be x.
Then anothcf angle = x + 20 (given)
The two angles are 80° and 100°
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