West Bengal Board Solutions for Chapter: Data Handling and Analysis, Exercise 5: Let's Work out - 13

Below is the weight $\left(\mathrm{kg}\right)$ of $30$ students of class $\mathrm{VI}$ of Soham's school.

$32, 32, 37, 34, 37, 35, 35, 36, 37, 39, 40, 36, 37, 36, 33, 31, 32, 36, 37, 38, 40, 34, 36, 34, 35, 33, 34, 35, 32, 35$

Using the above raw data, let's prepare a frequency distribution chart.

From a survey conducted on $150$ students in a school, it is seen how many students like to study what subject. The raw data from the survey is given below:

Taking $1 \mathrm{unit}=5$ students, let's prepare a bar diagram.

Ram Da has a shop selling bags in Haldar Para. Ram Da himself makes the bags. Here a list of bags sold from the shop this week.

Draw a bar diagram.

A bar diagram shows the numbers of students appearing at the Madhaymik Examination each year during the last $5$ years.

Answer the below question by using the bar diagram.

Determine in which year the maximum number of students have appeared for the exam?

A bar diagram shows the numbers of students appearing at the Madhymik Examination each year during the last $5$ years.

Answer the below question by using the bar diagram.

In which year the least number of students have sat for the exam?

A bar diagram shows the numbers of students appearing at the Madhymik Examination each year during the last $5$ years.

Answer the below question by using the bar diagram.

How many more students have appeared for the examination in $2011$ than $2010$?

A bar diagram shows the numbers of students appearing at the Madhymik Examination each year during the last five years.

A set of questions is prepared from the bar diagram.

In $2010$, how many less students have appeared for the exam than in $2009$?

A bar diagram shows the numbers of students appearing at the Madhymik Examination each year during the last five years.

How many total students have sat for the examination between $2008$ and $2010$?