Construct a Relative-Frequency Polygon for the Given Data

Essay

Construct a relative-frequency polygon for the given data.
-The table contains the frequency and relative-frequency distributions for the ages of the employees in a particular company department. $\begin{array}{c|c|c} \text { Age (years) } & \text { Frequency } & \text { Relative frequency } \\ \hline 20 \text {-under } 30 & 6 & 0.375 \\ 30 \text {-under } 40 & 3 & 0.1875 \\ 40 \text {-under } 50 & 4 & 0.25 \\ 50 \text {-under 60 } & 2 & 0.125 \\ 60 \text {-under 70 } & 1 & 0.0625 \end{array}$