Fill in the blanks to make the statements true.

_________ can be used to compare two collections of data.

Use the bar graph to answer the following question.

(a) Which is the most popular pet?

(b) How many students have dog as a pet?

Study the bar graph given below and answer the questions that follow :

A. What information is depicted from the bar graph?

B. In which subject is the student very good?

C. Calculate the average marks of the student.

D. If 75 and above marks denote a distinction, then name the subjects in which the student got distinction.

E. Calculate the percentage of marks the student got out of 500.

Study the bar graph given below and answer the questions that follow.

A. What information does the above bar graph represent?

B. In which year was production the least?

C. After which year was the maximum rise in the production?

D. Find the average production of rice during the 5 years.

E. Find difference of rice production between years 2006 and 2008.

The bar graph given below shows the marks of students of a class in a particular subject:

Study the bar graph and answer the following questions:

A. If 40 is the pass mark, then how many students have failed?

B. How many students got marks from 50 to 69?

C. How many students scored 90 marks and above?

D. If students who scored marks above 80 are given merits then how many merit holders are there?

E. What is the strength of the class?

Study the double bar graph shown below and answer the questions that follow:

A. What information is represented by the above double bar graph?

B. In which month sales of Brand A decreased as compared to the previous month?

C. What is the difference in sales of both the Brands for the month of June?

D. Find the average sales of Brand B for the six months.

E. List all months for which the sales of Brand B was less than that of Brand A.

F. Find the ratio of sales of Brand A as compared to Brand B for the month of January.

Study the double bar graphs given below and answer the following questions:

A. Which sport is liked the most by Class VIII students?

B. How many students of Class VII like Hockey and Tennis in all?

C. How many students are there in Class VII?

D. For which sport is the number of students of Class VII less than that of Class VIII?

E. For how many sports students of Class VIII are less than Class VII?

F. Find the ratio of students who like Badminton in Class VII to students who like Tennis in Class VIII.

The table below gives the flavours of ice cream liked by children (boys and girls) of a society.

Study the table and answer the following questions:

A. Draw a double bar graph using appropriate scale to represent the above information.

B. Which flavour is liked the most by the boys?

C. How many girls are there in all?

D. How many children like chocolate flavour of ice cream?

E. Find the ratio of children who like strawberry flavour to vanilla flavour of ice cream.

Observe the given data:

A. Draw a bar graph to represent the above given information.

B. On which day of the week was the sales maximum?

C. Find the total sales during the week.

D. Find the ratio of the minimum sale to the maximum sale.

E. Calculate the average sale during the week.

F. On how many days of the week was the sale above the average sales?

Observe the following data:

A. Draw a double bar graph choosing an appropriate scale. What do you infer from the bar graph?

B. Which class has the maximum number of students?

C. In which class, the difference of total students and number of students present is minimum?

D. Find the ratio of number of students present to the total number of students of Class IX.

E. What per cent of Class VI students were absent?

In a public library, the following observations were recorded by the librarian in a particular week:

A. Draw a double bar graph choosing an appropriate scale.

B. On which day, the number of readers in the library was maximum?

C. What is the mean number of magazine readers?