Question: $13.(3$ points$)$ A manager chose $2$ people from his group of $12$ to give an oral presentation because he felt they possess excellent skills in speaking....

$13.(3$ points$)$ A manager chose $2$ people from his group of $12$ to give an oral presentation because he felt they possess excellent skills in speaking. What sampling technique did he use in choosing these $2$ people?

A$)$ convenience.

B$)$ simple random.

C$)$ judgement. cluster.

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