\(\underline{\hspace{2cm}}\) use images or symbols to represent data.

The following pictograph shows the favourite foods among \(50\) students at SK Mawar.

( represents \(5\) students)

Calculate the number of students who choose fried rice as their favourite food.

(A)  \(2\)

(B)  \(5\)

(C)  \(10\)

(D)  \(15\)

The following diagram shows a bar chart for the number of stamps owned by three students.

Who has the least number of stamps?

The following bar chart shows the number of students in four classes, A, B, C and D.

There are \(25\) female students in Class C.

How many male students are there in Class C?

(A)  \(7\)

(B)  \(10\)

(C)  \(13\)

(D)  \(15\)

Frequency is the number of values in a set of data.

True or false?