What is meant by mode?

Choose the correct option:

The measure of central tendency which shows the highest number of occurrence of a data observation to represent a class is _____.

Choose the correct option:

The numbers $2, 3$ and $4$ repeat as many times as their value. The mode and median of the observations are _____ .

The table below shows the different classes of people living in a city.

The pie chart below shows their percentage distribution.

The modal class of the above distribution is _____.

(Note: Enter only the single letter indicating the modal class.)

The weights (in $\mathrm{kg}$.) of $15$ students of a class are:

$38, 42, 35, 37, 45, 50, 32, 43, 43, 40, 36, 38, 43, 38, 47$

Find the mode and median of this data.

The ages $($in years$)$ of $10$students are as follows:

$14, 12, 13, 12, 13, 12, 14, 14, 12, 13$.

The mode of the given data is _____.