Measures of Center

1. $\text{Mean:}$ $\frac{496}{7}\approx 70.9\text{.}$ $\text{Median:}$ $37\text{.}$
2. $276$ $\text{is}$ $\text{far}$ $\text{above}$ $\text{the}$ $\text{rest,}$ $\text{so}$ $\text{it}$ $\text{drags}$ $\text{the}$ $\text{mean}$ $\text{up;}$ $\text{the}$ $\text{median,}$ $37\text{,}$ $\text{is}$ $\text{typical}$ $\text{of}$ $\text{most}$ $\text{salaries.}$

Answer: $\text{The}$ $\text{median,}$ $37\text{:}$ $\text{the}$ $\text{mean}$ $\text{is}$ $\text{pulled}$ $\text{up}$ $\text{by}$ $276$

1. $\text{The}$ $\text{mean}$ $\text{is}$ $\text{the}$ $\text{sum}$ $\text{shared}$ $\text{equally}$ $\text{over}$ $\text{the}$ $12$ $\text{numbers,}$ $\text{so}$ $\text{sum}$ $=$ $\text{mean}$ $\cdot$ $\text{count.}$
2. $26.5\cdot 12=318\text{.}$

Answer: $318$

1. $\text{In}$ $\text{order,}$ $\text{repeats}$ $\text{included:}$ $3,4,4,5,5,10,16,16\text{.}$
2. $\text{Eight}$ $\text{values:}$ $\text{halfway}$ $\text{between}$ $5$ $\text{and}$ $5$ $\text{is}$ $5\text{.}$

Answer: $5$