Choosing Mean or Median

Front

Mean definition

Back

average of a set of numbers

Front

Median definition

Back

middle value in an ordered list

Front

Mean formula

Back

latex="\text{Mean} = \frac{\text{Sum of values}}{\text{Number of values}}">

Front

Median in odd set

Back

number when values are ordered

Front

Median in even set

Back

of two middle numbers

Front

Mean use case

Back

without outliers or extreme values

Front

Median use case

Back

with outliers or skewed values

Front

Mean vs. median with outlier

Back

changes more than median

Front

Mean vs. median in symmetric data

Back

and median are close or equal

Front

Choosing mean

Back

when all values are similar