Today's forms of out-of-home media can target specific demographic segments by neighborhood using customized mobile messages.

The person hired as a third party to carry out mediation is called the _____.

Fill in the blank(s) with the appropriate word(s).

For any set of grouped or ungrouped data, which measures of central location always have only one value?

A) arithmetic mean and median B) median and mode C) mode and arithmetic mean D) geometric mean and mode