Question: what is the value that occurs most frequently in a distribution
Answer: Comparison of common averages of values ( 1 , 2 , 2 , 3 , 4 , 7 , 9 ) Type Description Example Result Arithmetic mean Sum of values of a data set divided by number of values : x  ̄ = 1 n ∑ i = 1 n x i ( \ displaystyle \ scriptstyle ( \ bar ( x ) ) = ( \ frac ( 1 ) ( n ) ) \ sum _ ( i = 1 ) ^ ( n ) x_ ( i ) ) ( 1 + 2 + 2 + 3 + 4 + 7 + 9 ) / 7 Median Middle value separating the greater and lesser halves of a data set 1 , 2 , 2 , 3 , 4 , 7 , 9 Mode Most frequent value in a data set 1 , 2 , 2 , 3 , 4 , 7 , 9