Instruction 2 $$\begin{array} { | l | l | } \hline X & f \\\hline 1 & 14 \\\hline 2 & 18 \\\hline 3 & 12 \\\hline 4 & 5 \\\hline 5 & 1 \\\hline\end{array}$$

Instruction 2.1
An insurance company evaluates many numerical variables about a person before deciding on an appropriate rate for automobile insurance. A representative from a local insurance agency selected a random sample of insured drivers and recorded, X, the number of claims each made in the last three years, with the following results.
$$\begin{array} { | l | l | } \hline X & f \\\hline 1 & 14 \\\hline 2 & 18 \\\hline 3 & 12 \\\hline 4 & 5 \\\hline 5 & 1 \\\hline\end{array}$$
-The length of each bar in a bar chart represents the

A) mid-point of observations in each class.
B) average number of observations in each class.
C) proportion, frequency or percentage of observations in each class.
D) variances of observations in each class.