Construct a Cumulative Relative Frequency Distribution for the Number of Years

Essay

Construct a cumulative relative frequency distribution for the number of years of service for 100 employees, given the frequency distribution of the number of years of service for 100 employees is shown below. $$\begin{array} { | c | c | } \hline \text { Years } & \text { Frequency } \\\hline 0 \text { up to } 5 & 12 \\\hline 5 \text { up to } 10 & 16 \\\hline 10 \text { up to } 15 & 42 \\\hline 15 u p \text { to } 20 & 20 \\\hline 20 \text { up to } 25 & 10 \\\hline \text { Total } & 100 \\\hline\end{array}$$