The correct option is A Usually mean is the best measure of central tendency
Arithmetic
mean refers to the average amount in a given group of data. In this measure of central tendency, all the data are added up
and then divided by the number of figures in the data in order to ascertain the
mean. It is considered as the best measure of central tendency because it includes all the observations of a series and the method as very simple application compared to other measures of central tendency.