Find the Mode(s) for the Given Sample Data $\begin{array} { l l l l l l l l l } 54 & 63 & 67 & 50 & 57 & 61 & 62 & 58 & 51 \end{array}$

Find the mode(s) for the given sample data.
-Last year, nine employees of an electronics company retired. Their ages at retirement are listed below.

$\begin{array} { l l l l l l l l l } 54 & 63 & 67 & 50 & 57 & 61 & 62 & 58 & 51 \end{array}$

A) no mode
B) $58.1 \mathrm { yr }$
C) 54 yr, 63 yr, 67 yr, 50 yr, 57 yr, 61 yr, 62 yr, 58 yr, 51 yr
D) $58 \mathrm { yr }$