JAMB - Economics (2010 - No. 4)
The mean is the best measure of central tendency because it
is not affected by extreme values in a data
is a midpoint value in an array of data
is a balancing point in an observation
can be calculated from incomplete data
Vysvětlení
The mean is an important measure because it incorporates the score from every subject in the research study. It includes all the data in a set to arrive at an answer.