Julian runs a bookshop. The table shows the number of books purchased by each of his last $25$ customers. 

Number of books	$1$	$2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$	$10$
Number of customers	$8$	$9$	$4$	$2$	$1$	$0$	$0$	$0$	$0$	$1$

Calculate the median number of books purchased by these customers. 

Following are the numbers of children in $25$ families of a colony:

$2,3,4,1,1,2,3,1,2,2,1,1,3,2,1,2,3,2,2,2,3,2,2,1,2$

Organize the above data and answer the questions.

How many families have $2$children?

A die was thrown 30 times and the following scores were obtained:

$4,1,3,2,6,2,4,2,1,2,3,6,2,6,4,2,1,4,1,2,5,4,2,2,5,4,3,2,5,6$

Prepare a table using tally marks and answer the following question:

Which score has occurred the minimum number of times?

Following are the numbers of children in $25$families of a colony:

$2,3,4,1,1,2,3,1,2,2,1,1,3,2,1,2,3,2,2,2,3,2,2,1,2$

Organize the above data and answer the questions.

What is the most common number of children in a family of the colony?

Following are the numbers of children in $25$families of a colony:

$2,3,4,1,1,2,3,1,2,2,1,1,3,2,1,2,3,2,2,2,3,2,2,1,2$

Organize the above data and answer the question.

What is the minimum number of children in a family'?

The lengths (to the nearest centimetre) of $30$carrots are given as follows:

$15, 22, 21, 20, 22, 15, 15, 20, 20, 15, 20, 18, 20, 22, 21, 20, 21, 18, 21, 18, 20, 18, 21, 18, 22, 20, 15, 21, 18, 20$

Arrange the data given above in a table using tally marks and answer the following questions.

Which length of the carrots occur maximum number of times and minimum number of times?

In a readymade garments store, on a particular day the following sizes of shirts were sold.

$32,36,32,38,40,44,40,38,40,32,42,40,40,38,34,36,38,34,40,40,40,34,40,42,44,42,40,40,44,40$

Prepare a table using tally marks and answer the question given below:

Which shirt size had the minimum sale?

Define the term- Data.

A die was thrown $24$times and the following scores were obtained:

$3,5,6,2,5,2,4,2,1,2,3,6,1,2,5,4,2,2,5,4,3,2,5,6$

Prepare a table using tally marks. Now, answer the following questions:

Which score has occurred the maximum number of times?

A die was thrown $24$ times and the following scores were obtained:

$3,5,6,2,5,2,4,2,1,2,3,6,1,2,5,4,2,2,5,4,3,2,5,6$

Prepare a table using tally marks. Now, answer the following questions:

Which score has occurred the minimum number of times?

In a readymade garments store, on a particular day the following sizes of shirts were sold.

$32,36,32,38,40,44,40,38,40,32,42,40,40,38,34,36,38,34,40,40,40,34,40,42,44,42,40,40,44,40$

Prepare a table using tally marks and answer the questions given below:

Which shirt size had the maximum sale?

A die was thrown 30 times and the following scores were obtained:

$4,1,3,2,6,2,4,2,1,2,3,6,2,6,4,2,1,4,1,2,5,4,2,2,5,4,3,2,5,6$

Prepare a table using tally marks and answer the following question:

Which score has occurred the maximum number of times?

A die was thrown $24$times and the following scores were obtained:

$3,5,6,2,5,2,4,2,1,2,3,6,1,2,5,4,2,2,5,4,3,2,2,5,6$

Prepare a table using tally marks. Now, answer the following questions:

Find the numbers that appear an equal number of times.

Construct a frequency table for the following:

$3, 2, 5, 4, 1, 3, 2, 2, 5, 3, 1, 2, 1, 1, 2, 2, 3, 4, 5, 3, 1, 2, 3.$

Following are the numbers of children in $25$families of a colony:

$2,3,4,1,1,2,3,1,2,2,1,1,3,2,1,2,3,2,2,2,3,2,2,1,2$

Organize the above data and answer the questions.

What is the maximum number of children in a family?