Basics of Data Handling

The birthdays of the students of Class $2$ is given below:

Month	Birthday
January
February
March
April
May
June
July
August
September
October
November
December

How many kids have their birthday in the month of November?

Let the marks obtained by $30$ students of class $X$ in a class test, out of $50$ according to their roll numbers, be: $45,25,5,33,45,45,12,42,12,45,19,1,10,8,12,17,19,17,17,42,40,12,42,33,19,45,33,5,44,45$, represent the given data in tabular form using rows and columns and find the number which occurs most.

Let the marks obtained by $30$ students of class $X$ in a class test, out of $50$ according to their roll numbers, be: $39,25,5,33,19,21,12,42,12,21,19,1,10,8,12,17,19,17,17,42,40,12,42,33,19,21,33,5,1,21$, represent the given data in tabular form using rows and columns and find the number which occurs most.

This table shows the top five widest waterfalls in the world.

Which water falls are more than $5$ kilometres wide?

The table lists the top $20$ most popular names chosen for girls from $2000 \text{to} 2009$.

How many of the top $20$ names were given to between $2000$ and $3000$ babies?

The table lists the top $20$ most popular names chosen for girls from $2000 \text{to} 2009$.

Which name was given to $99$ fewer babies than Hannah?

The table lists the top $20$ most popular names chosen for girls from $2000 \text{to} 2009$.

Round the number of babies names Chole to the nearest thousand?

The table lists the top $20$ most popular names chosen for girls from $2000 \text{to} 2009$.

Which were the three most popular baby girl's names from $2000 \text{to} 2009$?

This data shows the hair colour of the students in class $1\mathrm{B}$.

	$1$	$2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$	$10$
	$✓$	$✓$	$✓$	$✓$	$✓$	$✓$	$✓$
	$✓$	$✓$	$✓$	$✓$	$✓$	$✓$	$✓$	$✓$	$✓$
	$✓$	$✓$

Half the class has brown hair.

This data shows the hair colour of the students in class $1\mathrm{B}$.

	$1$	$2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$	$10$
	$✓$	$✓$	$✓$	$✓$	$✓$	$✓$	$✓$
	$✓$	$✓$	$✓$	$✓$	$✓$	$✓$	$✓$	$✓$	$✓$
	$✓$	$✓$

How many students have fair hair?

How many shapes altogether?

How many more triangles than circles?

How many more dogs than fish?

How many circles?

How many squares?

How many triangles?

How many shapes altogether?

How many more circles than rectangles?

How many more circles than triangles?

Are there any rectangles?