Identify Potential Outliers, If Any, for the Given Data $\begin{array} { l l l l l } 16 & 23 & 1 & 32 & 15 \end{array}$

Identify potential outliers, if any, for the given data.
-The National Education Association collects data on the number of years of teaching experience of high-school teachers. A sample taken this year of 19 high-school teachers yielded the following Data on number of years of teaching experience.
$\begin{array} { l l l l l } 16 & 23 & 1 & 32 & 15 \end{array}$
$\begin{array} { l l l l l } 7 & 18 & 8 & 20 & 14 \end{array}$
$\begin{array} { l l l l l } 17 & 19 & 16 & 10 & 21 \end{array}$
$\begin{array} { l l l l } 30 & 14 & 38 & 18 \end{array}$

A) 1,32,38
B) 32,38
C) 1,38
D) None