Tally Marks	Number of observation
$\cancel{\left|\right|\left|\right|} \cancel{\left|\right|\left|\right|} \cancel{\left|\right|\left|\right|} \left|\right|$

Observe the given data and answer the question that follows:

$$\begin{gathered} 115, 117, 116, 114, 119, 115, 117, 116, 119, 117, 114, 119, 112, \\ 115, 117, 115, 116, 117, 114, 112, 115, 117 \end{gathered}$$

Which number has the lowest frequency?

Observe the given data and answer the question :

$$\begin{gathered} 115, 117, 116, 114, 119, 115, 117, 116, 119, 117, 114, 119, 112, \\ 115, 117, 115, 116, 117, 114, 112, 115, 117 \end{gathered}$$

Which number has the highest frequency?

If  represents $10$ trees, then  represents _____ trees.

If represents $10$ trees, then _____ represent $40$ trees.

Given below are the marks obtained by $20$ students of a class in maths.

Use tally marks to find the number of students getting marks

Less than $17$

Given below are the marks obtained by $20$ students of a class in maths.

Use tally marks to find the number of students getting marks more than $20$.