Question

what is mean and medean​

Answer 1

Answer:

The mean (average) of a data set is found by adding all numbers in the data set and then dividing by the number of values in the set. The median is the middle value when a data set is ordered from least to greatest. The mode is the number that occurs most often in a data set.

Answer 2

$mean = sum of \: terms \div no \: of \: terms$

median is the middle number in a sorted ascending order or descending order...

These are the definitions of mean and median