## S. K. Gupta Anubhuti Gangal Class 5 Math Nineteenth Chapter Data Handling Exercise 57

## EXERCISE 57

**DATA:** *A collection of information in the form of numerical figures is called data.*

**STATISTICS:** *The branch of mathematics used for collecting, organizing and studying set of data is called statistics.*

**(1) Draw a pictograph to show the number of stories you read from your favorite story book reach day in week.**

**(2) Draw a pictograph to show the number of students who attended a dog show in school from each class of the Junior school.**

**(3) Draw a bar chart to represent the number of students who visited the school library in a week. Use a graph paper to draw the graph**

**(4) A survey was done on 25 people on their choice of drinks and the individual response was as given below:**

**(5) The students of class 5 were given their choice of animals to research for a project in science. The results of their choices were displayed with the help of a bar graph. Look at the bar graph given below and answer the questions that follow:**

(a) Which is the most popular topic?

Ans: Birds

(b) Which is the least popular topic?

Ans: Snakes

(c) The number of students who chose dogs and snakes is equal to the number of students who chose what other topic?

Ans: Lions

(d) What is the total number of students in the class?

Solution: 25

(e) Express the number of students who chose snakes as a fraction of the strength of the whole class.

**(6) The following graph shows the choice of future careers of middle school students of a school. Use the bar graph to answer the questions given below.**

(a) Name the most popular career option chosen.

Ans: Software Engineer

(b) How many more students chose doctor as their doctor as their career option than the number of students who chose Teacher as their career?

Ans: 13 students

(c) Find the total number of students in the middle school?

Ans: 213 students

(d) List the careers chosen from most to least popular.

Ans: Software Engineer, Doctor, Teacher, Architect, Lawyer.