Verified Answer :

Mode is the number that appears most in a set of numbers. Every number appears once besides 15 which appears twice so 15 would be the mode.

Given:

\(8, 11, 20, 10, 2, 17, 15, 5, 16, 15, 25, 6\)

Numerical Order:

\(2,5, 6, 8, 10, 11, 15, 15, 16, 17, 20, 25\)

Median:

\(11,12,13,14,15\)

Process Of Elimination

\(\left[\begin{array}{ccc}13\end{array}\right]\)

Mode:

\(2,5, 6, 8, 10, 11, 15, 15, 16, 17, 20, 25\)

Process Of Elimination

\(15,15\)

\(\left[\begin{array}{ccc}15\end{array}\right]\)

Range:

\(2,5, 6, 8, 10, 11, 15, 15, 16, 17, 20, 25\)

\(\left[\begin{array}{ccc}25-2\end{array}\right]\)

\(\left[\begin{array}{ccc}23\end{array}\right]\)