A. Directions: State whether the mean, the median, or the mode is being used and justify your answer. 1. In 2012, there were as many people aged 25 and younger in the world as there were people aged...

A. Directions: State whether the mean, the median, or the mode is being used and justify your answer.

1. In 2012, there were as many people aged 25 and younger in the world as there were people aged 25 and older.

2. The majority of full-time students carry a load of 21 credit units per semester.

3. The average annual return on investment is 10.5%.