Relative frequency can be defined as the number of times an event occurs divided by the total number of events occurring in a given scenario. The formula is given to be:
[tex]RF=\frac{f}{n}[/tex]
where f is the number of times the data occurred and n is the total number of observations.
We have the frequency of the individual groups as shown below:
[tex]\begin{gathered} 1\text{ to }5\Rightarrow3 \\ 6\text{ to }10\Rightarrow8 \\ 11\text{ to }15\Rightarrow3 \\ 16\text{ to }20\Rightarrow5 \end{gathered}[/tex]
The total number of observations is 19.
Therefore, the relative frequencies are calculated below:
[tex]\begin{gathered} 1\text{ to }5\Rightarrow\frac{3}{19}=0.16 \\ 6\text{ to }10\Rightarrow\frac{8}{19}=0.42 \\ 11\text{ to }15\Rightarrow\frac{3}{19}=0.16 \\ 16\text{ to }20\Rightarrow\frac{5}{19}=0.26 \end{gathered}[/tex]
ANSWER
[tex]\begin{gathered} 1\text{ to }5\Rightarrow0.16 \\ 6\text{ to }10\Rightarrow0.42 \\ 11\text{ to }15\Rightarrow0.16 \\ 16\text{ to }20\Rightarrow0.26 \end{gathered}[/tex]
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