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ML Aggarwal Class 6 Solutions Chapter 15 Data Handling Ex 15.5 for ICSE Understanding Mathematics acts as the best resource during your learning and helps you score well in your exams.

ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 15 Data Handling Ex 15.5

Question 1.
Find the median of the following data:
(i) 3, 1, 5, 6, 3, 4, 5
(ii) 3, 1, 5, 6, 3, 4, 5, 6
Solution:

Question 2.
Calculate the mean, the median and the mode of the numbers :
1, 3, 2, 6, 2, 3, 1, 3
Solution:

Question 3.
Calculate the mean, the median and the mode of the following numbers :
3, 7, 2, 5, 3, 4, 1, 5, 3, 6
Solution:

ML Aggarwal Class 6 Solutions Chapter 15 Data Handling Ex 15.4 for ICSE Understanding Mathematics acts as the best resource during your learning and helps you score well in your exams.

ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 15 Data Handling Ex 15.4

Question 1.
Find the mean of the following data:
(i) 40, 30, 30, 0, 26, 60
(ii) 3, 5, 7, 9, 11, 13, 15
Solution:

Question 2.
Find the mean of the first five even whole numbers.
Solution:

Question 3.
A batsman scored the following number of runs in six innings:
36, 35, 50, 46, 60, 55
Calculate the mean runs scored by him in an inning.
Solution:

Question 4.
The enrolment in a school for six consecutive years was as follows :
1555, 1670, 1750, 2013, 2540, 2825
Find the mean enrolment of the school for this period.
Solution:

Question 5.
The marks (out of 100) obtained by a group of students in a science test are :
85, 76, 90, 85, 39, 48, 56, 95, 81, 75
Find the:
(i) highest and lowest marks obtained by the students.
(ii) mean marks obtained by the students.
Solution:

ML Aggarwal Class 6 Solutions Chapter 15 Data Handling Ex 15.3 for ICSE Understanding Mathematics acts as the best resource during your learning and helps you score well in your exams.

ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 15 Data Handling Ex 15.3

Question 1.
Observe the adjoining bar graph showing the number of students in a particular class of a school.

Answer the following questions:
(i) What is the scale of this graph?
(ii) How many new students are added every year?
(iii) Is the number of students in the year 2015 is twice than that of in the year 2012?
Solution:

Question 2.
Observe the bar graph given below which is showing the sale of shirts in a readymade garment shop from Monday to Saturday.

Answer the following questions:
(i) What information does the above bar graph give?
(ii) What is the scale chosen on the horizontal line representing a number of shirts?
(iii) On which day were the maximum number of shirts sold? How many shirts were sold on that day?
(iv) n which day was the minimum number of shirts sold?
(v) How many shirts were sold on Thursday?
Solution:

Question 3.
Make a table corresponding to the following graph:

Solution:

Question 4.
The following table shows the number of bicycles manufactured in a factory during the years 2011 to 2015. Illustrate this data by using a bar graph. Choose a scale of your choice.

(i) In which year was the maximum number of bicycles manufactured?
(iii) In which year was the minimum number of bicycles manufactured?
Solution:

Question 5.
The number of Mathematics books sold by a shopkeeper on six consecutive days is given below:

Draw a horizontal bar graph to represent the above information choosing the scale of your choice.
Solution:

Question 6.
The number of persons in various age (in years) groups in a town is given in the following table:

Draw a bar graph to represent the above information and answer the following questions (take 1 unit height = 20,000 people):
(i) Which age groups have the same population?
(ii) All persons in the age group of 60 and above are called senior citizens. How many senior citizens are there in the town?
Solution:

ML Aggarwal Class 6 Solutions Chapter 15 Data Handling Ex 15.2 for ICSE Understanding Mathematics acts as the best resource during your learning and helps you score well in your exams.

ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 15 Data Handling Ex 15.2

Question 1.
Following pictograph shows the number of tractors in five villages.

Observe the pictograph and answer the following questions.
(i) Which village has the minimum number of tractors?
(ii) Which village has the maximum number of tractors?
(iii) How many more tractors village C has as compared to village B.
(iv) What is the total number of the tractor in all the five villages?
Solution:

Question 2.
The number of girl students in each class of a co-educational middle school is depicted by the pictograph.

Observe this pictograph and answer the following questions :
(a) Which class has the minimum number of girl students?
(b) Is the number of girls in Class VI less than the number of girls in Class V?
(c) How many girls are there in Class VII?
Solution:

Question 3.
In a village, the following pictograph shows the number of fruit baskets sold by six merchants in a particular season:

Observe the above pictograph and answer the following questions:
(i) Which merchant sold the maximum number of baskets?
(ii) How many baskets were sold by Rajinder Singh?
(iii) The merchants who have sold 700 or the number of baskets are planning to buy a cold store for the next season. Can you name them?
Solution:

Question 4.
In Gurgaon, the number of cars sold during a particular week was as follows:

Prepare a pictograph of the cars sold using a symbol of car representing 10 cars and answer the following questions:
(i) On which day the maximum number of cars were sold?
(ii) How many pictures of cars will represent the number of cars sold on Thursday?
Solution:

Question 5.
Total number of animals in five villages are as follows:

Prepare a pictograph of these animals using one symbol ® to represent 10 animals and answer the following questions:
(i) How many symbols represent animals of village E?
(ii) Which village has the maximum number of animals?
(iii) Which village has more animals: village A or village C?
Solution:

ML Aggarwal Class 6 Solutions Chapter 15 Data Handling Ex 15.1 for ICSE Understanding Mathematics acts as the best resource during your learning and helps you score well in your exams.

ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 15 Data Handling Ex 15.1

Question 1.
Following is the choice of 20 students of class VI of a school:
Banana, Apple, Guava, Orange, Apple, Banana, Orange, Guava, Banana, Banana, Apple, Banana, Apple, Banana, Orange, Guava, Apple, Banana, Guava, Banana.
(i) Arrange the name of fruits in a table using tally marks.
(ii) Which fruit is liked by the maximum number of students?
(iii) Which fruit is liked by the minimum number of students?
Solution:

Question 2.
In a ready-made garment shop, on a particular day the following sizes of shirts were sold:
34, 38, 42, 40, 44, 32, 34, 36, 42, 40, 44, 36, 38, 42, 44, 40, 38, 40, 42, 32, 34, 38, 42, 40, 36, 42, 40, 38, 36, 40.
Arrange the above data in ascending order and construct a frequency distribution table. Also, answer the following questions:
(i) Which shirt size had the maximum sale?
(ii) Which shirt size had the minimum sale?
(iii) The number of shirts sold of size 42 or greater than size 42.
Solution:

Question 3.
In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks.

(i) Construct a frequency distribution table for the above data.
(ii) Find how many students obtained 7 marks or more than 7 marks.
(iii) How many students obtained marks below 4?
Solution: